Tài liệu tham khảo WikiPedia: Tổng_thống_Pakistan http://dawn.com/2012/04/04/bhutto-and-i/ http://www.pakistanherald.com/Profile/Yahya-Khan-1... http://www.pakistani.org/pakistan/constitution/ http://www.dailytimes.com.pk/default.asp?page=2008... http://www.elections.com.pk http://tribune.com.pk/story/584392/mamnoon-hussain... http://www.na.gov.pk/history.htm http://www.pak.gov.pk/ http://www.presidentofpakistan.gov.pk http://www.samaa.tv/newsdetail.aspx?ID=48393
