" role="doc-biblioref">2020</a>)</span> in this sample book, which was built on top of R Markdown and <strong>knitr</strong> <span class="citation">(Xie <a href="#ref-xie2015" role="doc-biblioref">2015</a>)</span>.</p>

</div>
<h3>References</h3>
<div id="refs" class="references">
<div id="ref-xie2015">
<p>Xie, Yihui. 2015. <em>Dynamic Documents with R and Knitr</em>. 2nd ed. Boca Raton, Florida: Chapman; Hall/CRC. <a href="http://yihui.name/knitr/">http://yihui.name/knitr/</a>.</p>
</div>
<div id="ref-R-bo