World Health Organization. Reproductive Health and Research & ebrary, Inc. (2009). Medical eligibility criteria for contraceptive use (4th ed.). Reproductive Health and Research, World Health Organization.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումWorld Health Organization. Reproductive Health and Research and Inc ebrary. Medical Eligibility Criteria for Contraceptive Use. 4th ed. Geneva: Reproductive Health and Research, World Health Organization, 2009.
MLA (9րդ խմբ.) ՄեջբերումWorld Health Organization. Reproductive Health and Research and Inc ebrary. Medical Eligibility Criteria for Contraceptive Use. 4th ed. Reproductive Health and Research, World Health Organization, 2009.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.