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 norma ChicagoWorld Health Organization Reproductive Health and Research and 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 norma MLAWorld Health Organization Reproductive Health and Research and 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.