1. ^¹ {{cite web |url=http://al-bab.com/albab-orig/albab/yemen/pol/pres99/candidates.htm |title=Yemen's presidential election, 1999: Candidates |author= |date= |work= |publisher=al-bab |accessdate=21 December 2016}}
2. ^{{cite web |url=http://www.yementimes.com/99/iss38/najeeb.htm |title=Najeeb Qahtan Al-Shaabi |author= |date=20 September 1999 |work= |publisher=Yemen Times |accessdate=14 December 2010 |archiveurl=https://web.archive.org/web/20050223220358/http://www.yementimes.com/99/iss38/najeeb.htm |archivedate=23 February 2005}}
3. ^{{cite book |title=Elections in Asia: A data handbook, Volume I |editor1-last=Nohlen |editor1-first=Dieter |editor2-last=Grotz |editor2-first=Florian |editor3-last=Hartmann |editor3-first=Christof |year=2001 |publisher=Oxford University Press |location=Oxford |isbn= 978-0-19-924958-9 |page=310 |url=https://books.google.com/books?id=BVFBXa69tWMC&pg=PA310 |accessdate=7 April 2011}}
4. ^{{Cite journal | title = Election Watch | journal = Journal of Democracy | volume = 11 | issue = 1 | pages = 206–211 | publisher = The Johns Hopkins University Press | date = January 2000 | url = http://muse.jhu.edu/journals/journal_of_democracy/v011/11.1election_watch.html | issn = 1086-3214 | doi = 10.1353/jod.2000.0001 | accessdate = 13 November 2012}}