แหล่งที่มา WikiPedia: จงโคร่ง http://dict.longdo.com/search/%E0%B8%81%E0%B8%A3%E... http://www.phana.net/index.php?pmenu=wild_story&la... http://www.iucnredlist.org/apps/redlist/details/54... https://commons.wikimedia.org/wiki/Category:Bufo_a...