WHO. (1987). Mechanism of action, safety and efficacy of intrauterine devices. Geneva.
シカゴスタイル引用形WHO. Mechanism of Action, Safety and Efficacy of Intrauterine Devices. Geneva, 1987.
MLA引用形式WHO. Mechanism of Action, Safety and Efficacy of Intrauterine Devices. Geneva, 1987.
警告: この引用は必ずしも正確ではありません.