APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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