Tài liệu tham khảo WikiPedia: Eid al-Adha http://www.dubaicalendar.ae/en/event/events/eid-in... http://islam.about.com/od/hajj/a/adha.htm http://holidayyear.com/holiday/eid-al-adha http://en.islamstory.com/hadith-on-eid-al-adha-sah... http://moonsighting.com/ http://www.opentruths.com/article/haj-sms http://www.qatarvisitor.com/index.php?cID=412&pID=... http://www.timeanddate.com/holidays/india/eid-ul-a... http://www3.kumc.edu/diversity/ethnic_relig/eid-al... http://eid-ul-adha.net/
