Use \citetitle and \programopt as appropriate.
diff --git a/Doc/lib/libobjs.tex b/Doc/lib/libobjs.tex
index d19697b..354bebc 100644
--- a/Doc/lib/libobjs.tex
+++ b/Doc/lib/libobjs.tex
@@ -20,5 +20,5 @@
grouping operators that have the same priority in the same box.
Binary operators of the same priority group from left to right.
(Unary operators group from right to left, but there you have no real
-choice.) See Chapter 5 of the \emph{Python Reference Manual} for the
-complete picture on operator priorities.
+choice.) See Chapter 5 of the \citetitle[../ref/ref.html]{Python
+Reference Manual} for the complete picture on operator priorities.