Hatcher, R. A. (1997). The essentials of contraceptive technology. Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health.
Chicagoスタイル(17版)引用形式Hatcher, Robert Anthony. The Essentials of Contraceptive Technology. Baltimore, MD: Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health, 1997.
MLA(8版)引用形式Hatcher, Robert Anthony. The Essentials of Contraceptive Technology. Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health, 1997.
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