diff --git a/doc.mk.nw b/doc.mk.nw
index e8d6bc2..0e2139a 100644
--- a/doc.mk.nw
+++ b/doc.mk.nw
@@ -247,3 +247,6 @@ TEX2TEXTFLAGS?=
 	${TEX2TEXT} ${TEX2TEXTFLAGS} $< > $@
 @
 
+
+%%%%%
+\printbibliography
diff --git a/exam.mk.nw b/exam.mk.nw
index 4b2d182..3b503c3 100644
--- a/exam.mk.nw
+++ b/exam.mk.nw
@@ -166,3 +166,6 @@ endef
 $(foreach id,${EXAM_IDS},$(eval $(call questions_target,${id})))
 @
 
+
+%%%%
+\printbibliography
diff --git a/haskell.mk.nw b/haskell.mk.nw
index 2063b7b..301b996 100644
--- a/haskell.mk.nw
+++ b/haskell.mk.nw
@@ -22,3 +22,7 @@ programs.
 .hs.o .lhs.o:
   ghc ${HSFLAGS} -c $<
 @
+
+
+%%%%
+\printbibliography
diff --git a/makefiles.tex b/makefiles.tex
index ad1b32b..15f8474 100644
--- a/makefiles.tex
+++ b/makefiles.tex
@@ -78,5 +78,6 @@ \chapter{results.mk}
 %\input{miun.port.tex}
 
 
-\printbibliography[heading=bibintoc]{}
+%\printbibheading[heading=bibintoc]
+%\bibbysection[heading=none]
 \end{document}
diff --git a/noweb.mk.nw b/noweb.mk.nw
index e18cea6..3fff35a 100644
--- a/noweb.mk.nw
+++ b/noweb.mk.nw
@@ -208,3 +208,7 @@ NOWEB_SUFFIXES+=    .sh
 NOTANGLEFLAGS.sh?=  ${NOTANGLEFLAGS}
 NOTANGLE.sh?=       ${NOTANGLE} ${NOTANGLEFLAGS.sh} -R$@ $< > $@
 @
+
+
+%%%%
+\printbibliography
diff --git a/pkg.mk.nw b/pkg.mk.nw
index cccb47b..5281083 100644
--- a/pkg.mk.nw
+++ b/pkg.mk.nw
@@ -215,3 +215,7 @@ for f in ${PKG_INSTALL_FILES-$(1)}; do \
   [ -d "$$$$f" ] || ${INSTALL} -t ${PKG_PREFIX-$(1)}${PKG_INSTALL_DIR-$(1)}/ "$$$$f"; \
 done
 @
+
+
+%%%%
+\printbibliography
diff --git a/portability.mk.nw b/portability.mk.nw
index 3df847c..227a7f1 100644
--- a/portability.mk.nw
+++ b/portability.mk.nw
@@ -299,3 +299,7 @@ UNZIP?=       unzip -DD
 endif
 EXTRACT.zip?= ${UNZIP} $$< $$@
 @
+
+
+%%%%
+\printbibliography
diff --git a/preamble.tex b/preamble.tex
index fdccc72..61f3a9d 100644
--- a/preamble.tex
+++ b/preamble.tex
@@ -7,6 +7,7 @@
 \usepackage{csquotes}
 \usepackage{authblk}
 \usepackage[defblank]{paralist}
+\usepackage{xparse}
 
 \usepackage{amsmath}
 \usepackage{mathtools}
@@ -33,6 +34,17 @@
 \addbibresource{transform.bib}
 \addbibresource{tex.bib}
 
+\let\biblatexbibliography\printbibliography
+\DeclareDocumentCommand{\printbibliography}{o}{%
+  \IfValueTF{#1}{%
+    \biblatexbibliography[title={References},heading=subbibintoc,#1]
+  }{%
+    \biblatexbibliography[title={References},heading=subbibintoc]
+  }
+  \newrefsection
+}
+\AtBeginDocument{\newrefsection}
+
 \usepackage[single]{acro}
 \DeclareAcronym{ILO}{%
   short = {ILO},
diff --git a/pub.mk.nw b/pub.mk.nw
index d778e19..b078fee 100644
--- a/pub.mk.nw
+++ b/pub.mk.nw
@@ -467,3 +467,7 @@ cd ${ROOT} \
   && svn copy trunk tags/${PUB_TAG_NAME} \
   && svn commit ${PUB_COMMIT_OPTS};
 @
+
+
+%%%%
+\printbibliography
diff --git a/results.mk.nw b/results.mk.nw
index 8c137b4..f031630 100644
--- a/results.mk.nw
+++ b/results.mk.nw
@@ -339,3 +339,7 @@ else \
   ${MV} ${out}.new ${out}; \
 fi
 @
+
+
+%%%%
+\printbibliography
diff --git a/subdir.mk.nw b/subdir.mk.nw
index e8b0f65..ebdfe93 100644
--- a/subdir.mk.nw
+++ b/subdir.mk.nw
@@ -48,3 +48,7 @@ ${.DEFAULT_GOAL}: ${SUBDIR}
 endif
 @ We note that this will cause the default goal of each subdirectory to be 
 built, not the same goal which is the default goal in the root.
+
+
+%%%%
+\printbibliography
diff --git a/tex.mk.nw b/tex.mk.nw
index 112adaa..15e049e 100644
--- a/tex.mk.nw
+++ b/tex.mk.nw
@@ -687,3 +687,7 @@ clean-rfc:
 	${RM} rfc.bib
 @
 
+
+
+%%%
+\printbibliography
diff --git a/transform.mk.nw b/transform.mk.nw
index 763dfa0..e03d11d 100644
--- a/transform.mk.nw
+++ b/transform.mk.nw
@@ -254,3 +254,7 @@ The set up we must do for this to work is to set a Git attribute.
 *.asc     filter=git-crypt
 @ This will yield similar behaviour as with the makefile approach, except that 
 many things are automated further.
+
+
+%%%%
+\printbibliography