APA (7th ed.) Zitazioa

Cairo Demographic Centre. (2003). Population of Egypt in the 20th century. Cairo Demographic Center.

Chicago Style (17th ed.) Zitazioa

Cairo Demographic Centre. Population of Egypt in the 20th Century. Cairo: Cairo Demographic Center, 2003.

MLA (9th ed.) Zitazioa

Cairo Demographic Centre. Population of Egypt in the 20th Century. Cairo Demographic Center, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.