Tài liệu tham khảo WikiPedia: Gulf News http://www.bpaww.com/Bpaww_com/index.ashx?res=Disp... http://www.emirates247.com/news/emirates/forbes-me... http://gulfnews.com/business/media-marketing/gulf-... http://www.gulfnews.com http://english.ahram.org.eg/NewsContent/1/64/61353... http://worldcat.org/oclc/232115522
