APA-referens

WHO. (1987). Mechanism of action, safety and efficacy of intrauterine devices. Geneva.

Chicago-stil citat

WHO. Mechanism of Action, Safety and Efficacy of Intrauterine Devices. Geneva, 1987.

MLA-referens

WHO. Mechanism of Action, Safety and Efficacy of Intrauterine Devices. Geneva, 1987.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.