APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

World Health Organization Reproductive Health and Research en 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.

MLA (8e ed.) Bronvermelding

World Health Organization Reproductive Health and Research en 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.