Use \citetitle as appropriate.
diff --git a/Doc/mac/mac.tex b/Doc/mac/mac.tex
index ab47003..096ba11 100644
--- a/Doc/mac/mac.tex
+++ b/Doc/mac/mac.tex
@@ -24,16 +24,18 @@
\noindent
This library reference manual documents Python's extensions for the
-Macintosh. It should be used in conjunction with the \emph{Python
-Library Reference}, which documents the standard library and built-in
-types.
+Macintosh. It should be used in conjunction with the
+\citetitle[../lib/lib.html]{Python Library Reference}, which documents
+the standard library and built-in types.
This manual assumes basic knowledge about the Python language. For an
-informal introduction to Python, see the \emph{Python Tutorial}; the
-\emph{Python Reference Manual} remains the highest authority on
-syntactic and semantic questions. Finally, the manual entitled
-\emph{Extending and Embedding the Python Interpreter} describes how to
-add new extensions to Python and how to embed it in other applications.
+informal introduction to Python, see the
+\citetitle[../tut/tut.html]{Python Tutorial}; the
+\citetitle[../ref/ref.html]{Python Reference Manual} remains the
+highest authority on syntactic and semantic questions. Finally, the
+manual entitled \citetitle[../ext/ext.html]{Extending and Embedding
+the Python Interpreter} describes how to add new extensions to Python
+and how to embed it in other applications.
\end{abstract}