"ییلوسٹون نیشنل پارک" کے نسخوں کے درمیان فرق

| designation1_number = 28<ref name=whs>{{cite web |url=http://whc.unesco.org/en/list/28 |title=Yellowstone National Park |publisher=UNESCO World Heritage Centre |accessdate=2012-03-24 | archiveurl = httphttps://web.archive.org/web/20190107092540/http://whc.unesco.org/en/list/28%20 | archivedate=2019-01-07 |url-status= 7 جنوری 2019live }}</ref>