Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision c2a58cf03237a7542d20eea478acc41b9b7b8017)
+++ doc/bibliography/pl.bib	(revision 022bce0f1f94d12a2727b9b37e573e3848c466c9)
@@ -3742,4 +3742,14 @@
     month	= jul, year = 1987,
     volume	= 4, number = 4, pages = {9-16}
+}
+
+@manual{FreePascal,
+    keywords	= {Pascal, object oriented},
+    contributer	= {pabuhr@plg},
+    author	= {Micha\"{e}l Van Canneyt},
+    title	= {{F}ree {P}ascal Reference Guide, version 3.2.2},
+    month	= may,
+    year	= 2021,
+    note	= {\url{http://downloads.freepascal.org/fpc/docs-pdf/ref.pdf}},
 }