<a href="https://en.wikipedia.org/wiki/Antarctica" class="extiw" title="w:Antarctica">Antarctica</a> map
CIA
CIA World Factbook <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120518173202/https://www.cia.gov/library/publications/the-world-factbook/graphics/ref_maps/pdf/antarctic.pdf">Antarctic Region</a> (PDF). Archived from <a rel="nofollow" class="external text" href="https://www.cia.gov/library/publications/the-world-factbook/graphics/ref_maps/pdf/antarctic.pdf">the original</a> on <span class="mw-formatted-date" title="2012-05-18">2012-05-18</span>.