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# Time for action – citing texts and listing the references

Using LaTeX's standard features, we shall create a small list of references containing a book and an article by Donald E. Knuth, the creator of TeX. In our body text, we will refer to both:

1. Create a new document as follows:
\documentclass{article}
\begin{document}
\section*{Recommended texts}
To study \TeX\ in depth, see \cite{DK86}. For writing math texts, see \cite{DK89}.
\begin{thebibliography}{8}
\bibitem{DK86} D.E. Knuth, \emph{The {\TeX}book}, 1986
\bibitem{DK89} D.E. Knuth, \emph{Typesetting Concrete Mathematics}, 1989
\end{thebibliography}
\end{document}
2. Typeset and view the output:

## What just happened?

We used an environment called thebibliography to typeset the list of references, which ...

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