APA (7th ed.) Zitazioa
(2009). Facts and figures on population and development, 2009. NCAPD.
Chicago Style (17th ed.) Zitazioa
Facts and Figures on Population and Development, 2009. Nairobi: NCAPD, 2009.
MLA (9th ed.) Zitazioa
Facts and Figures on Population and Development, 2009. NCAPD, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.