diff --git a/Makefile b/Makefile
index 3b563ed..e84ab90 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
-bboc-good.pdf: bboc.tex
-	rm -f bboc.aux bboc.log bboc.out bboc.toc
+bboc-good.pdf: bboc.tex refs.bib
+	rm -f bboc.aux bboc.log bboc.out bboc.toc bboc.bbl bboc.blg
+	pdflatex $^
+	bibtex bboc
 	pdflatex $^
 	pdflatex $^
 	cp bboc.pdf bboc-good.pdf
+	rm -f bboc.aux bboc.log bboc.out bboc.toc bboc.bbl bboc.blg
 
diff --git a/refs.bib b/refs.bib
new file mode 100644
index 0000000..3fc7bc4
--- /dev/null
+++ b/refs.bib
@@ -0,0 +1,11 @@
+@article{Canaby1932,
+  author = {Canaby, Marcel},
+  title = {Le Caoutchouc de cueillette à Madagascar.},
+  year = {1932},
+  url = {https://www.persee.fr/doc/jatba_0370-3681_1932_num_12_132_5164},
+  journal = {Journal d'agriculture traditionnelle et de botanique appliquée},
+  volume = {12},
+  number = {132},
+  doi = {10.3406/jatba.1932.5164},
+  pages = {609--621}
+}