Sayed, H. A., El-Zanaty, F. H., & Guhl, N. H. (1993). Quality of Family Planning Services in Egypt 1992. Cairo Demographic Center.
Chicago (17e ed.) BronvermeldingSayed, Hussein Abdel-Aziz, Fatma H. El-Zanaty, en Nora H. Guhl. Quality of Family Planning Services in Egypt 1992. Cairo: Cairo Demographic Center, 1993.
MLA (9e ed.) BronvermeldingSayed, Hussein Abdel-Aziz, et al. Quality of Family Planning Services in Egypt 1992. Cairo Demographic Center, 1993.