APA (7th ed.) Zitazioa

.makhlouf, h. h., Ahmed, f. a. k., & been, l. (1995). Egypt use effectiveness of contraceptives survey 1993. cairo demographic center.

Chicago Style (17th ed.) Zitazioa

.makhlouf, hisham h., ferial abdal kader Ahmed, eta lee been. Egypt Use Effectiveness of Contraceptives Survey 1993. cairo: cairo demographic center, 1995.

MLA (9th ed.) Zitazioa

.makhlouf, hisham h., et al. Egypt Use Effectiveness of Contraceptives Survey 1993. cairo demographic center, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.