World Health Organization. (2010). Medical eligibility criteria for contraceptive use. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Medical Eligibility Criteria for Contraceptive Use. Geneva, Switzerland: World Health Organization, 2010.
Цитирование MLA (8-е изд.)World Health Organization. Medical Eligibility Criteria for Contraceptive Use. World Health Organization, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.