Svetová zdravotnícka organizácia. Department of Reproductive Health and Research. 2002. Selected practice recommendations for contraceptive use. Geneva: World Health Organization.
Citace podle APA (7th ed.)Svetová zdravotnícka organizácia. Department of Reproductive Health and Research. (2002). Selected practice recommendations for contraceptive use. World Health Organization.
Citace podle Chicago (17th ed.)Svetová zdravotnícka organizácia. Department of Reproductive Health and Research. Selected Practice Recommendations for Contraceptive Use. Geneva: World Health Organization, 2002.
Citace podle MLA (9th ed.)Svetová zdravotnícka organizácia. Department of Reproductive Health and Research. Selected Practice Recommendations for Contraceptive Use. World Health Organization, 2002.
