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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization Reproductive Health and Research و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization Reproductive Health and Research و 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.