APA-referens (7:e uppl.)
World Health Organization. (1994). Contraceptive method mix: Guidelines for policy and service delivery. World Health Organization.
Chicago-referens (17:e uppl.)
World Health Organization. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. Geneva: World Health Organization, 1994.
MLA-referens (9:e uppl.)
World Health Organization. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. World Health Organization, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.