Tài liệu tham khảo WikiPedia: Deoksugung http://www.ohmynews.com/NWS_Web/view/at_pg.aspx?CN... http://english.visitseoul.net/attractions/Deoksugu... //tools.wmflabs.org/geohack/geohack.php?language=v... https://commons.wikimedia.org/wiki/Category:Deoksu...