\begin{thebibliography}{Lam86}

\bibitem[Lam86]{Lamport1986}
Leslie Lamport.
\newblock {\em LaTeX: A Document Preparation System}.
\newblock Addison-Wesley, Reading, MA, 1986.

\bibitem[Sta86]{GNUEmacsManual}
Richard Stallman.
\newblock {\em The GNU Emacs Manual}.
\newblock The Free Software Foundation, 675 Massachusetts Ave., Cambridge MA,
  02139, 1986.

\bibitem[Ste90]{Steele1990}
Guy~L. Steele.
\newblock {\em {Common Lisp - the Language II}}.
\newblock Addison--Wesley, Reading, MA, 1990.

\end{thebibliography}