\begin{thebibliography}{1}

\bibitem{debian}
The~Debian Project.
\newblock Debian website.
\newblock {\small\url{http://debian.org} (2009-01-15)}.

\bibitem{wp:historyoftheinternet}
Wikipedia.
\newblock History of the internet.
\newblock
  {\small\url{http://en.wikipedia.org/w/index.php?title=History_of_the_Internet&oldid=245178555}
  (2008-10-23)}.

\end{thebibliography}