APA (7th ed.) Zitazioa

Cairo Demographic Center. (1999). Population and development. UNFPA.

Chicago Style (17th ed.) Zitazioa

Cairo Demographic Center. Population and Development. Cairo: UNFPA, 1999.

MLA (9th ed.) Zitazioa

Cairo Demographic Center. Population and Development. UNFPA, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.