APA
World Health Organization, . (2000). Improving access to quality care in family planning: medical eligibility criteria for contraceptive use. Geneva: World Health Oraganization.
Chicago
World Health Organization, . 2000. Improving access to quality care in family planning: medical eligibility criteria for contraceptive use. Geneva: World Health Oraganization.
Harvard
World Health Organization, . (2000). Improving access to quality care in family planning: medical eligibility criteria for contraceptive use. Geneva: World Health Oraganization.
MLA
World Health Organization, . Improving access to quality care in family planning: medical eligibility criteria for contraceptive use. Geneva: World Health Oraganization. 2000.