South Africa. Dept. of Health. (1976). Hormonal contraceptives: A guideline for nurses : family planning = gesinsbeplanning. Dept. of Health.
Chicago-viite (17. p.)South Africa. Dept. of Health. Hormonal Contraceptives: A Guideline for Nurses : Family Planning = Gesinsbeplanning. Pretoria: Dept. of Health, 1976.
MLA-viite (8. p.)South Africa. Dept. of Health. Hormonal Contraceptives: A Guideline for Nurses : Family Planning = Gesinsbeplanning. Dept. of Health, 1976.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.