World Health Organization. (2010). Medical eligibility criteria for contraceptive use. World Health Organization.
Chicago Style (17. basım) AtıfWorld Health Organization. Medical Eligibility Criteria for Contraceptive Use. Geneva, Switzerland: World Health Organization, 2010.
MLA (8th ed.) AtıfWorld Health Organization. Medical Eligibility Criteria for Contraceptive Use. World Health Organization, 2010.
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