<a href="https://en.wikipedia.org/wiki/Arctic" class="extiw" title="en:Arctic">Arctic</a>. Version of Arctic.svg formatted to display larger for better text readability.
CIA
2007
CIA <a href="https://en.wikipedia.org/wiki/The_World_Factbook" class="extiw" title="en:The World Factbook">World Factbook</a> (<a rel="nofollow" class="external text" href="https://maps.lib.utexas.edu/maps/islands_oceans_poles/arctic_region_pol_2007.pdf">Copy at Univ. Texas library</a>,  <a rel="nofollow" class="external text" href="https://maps.lib.utexas.edu/maps/polar.html">credited to CIA Factbook, 2007</a>)