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