World Health Organization Reproductive Health and Research & World health organization Family and Community Health. (2002). Selected practice recommendations for contraceptive use. Reproductive Health and Research, Family and Community Health World Health Organization.
Citação do estilo Chicago (17ª ed.)World Health Organization Reproductive Health and Research e World health organization Family and Community Health. Selected Practice Recommendations for Contraceptive Use. Geneva: Reproductive Health and Research, Family and Community Health World Health Organization, 2002.
Citação MLA (8ª ed.)World Health Organization Reproductive Health and Research e World health organization Family and Community Health. Selected Practice Recommendations for Contraceptive Use. Reproductive Health and Research, Family and Community Health World Health Organization, 2002.