APA aipamena

Hatcher, R. A., & Hatcher, R. A. (1997). The essentials of contraceptive technology. Population Information Program, Center for Communication Programs, The Johns Hopkins School of Public Health.

Chicago Style aipamena

Hatcher, Robert A., and Robert A. Hatcher. The Essentials of Contraceptive Technology. Baltimore, MD: Population Information Program, Center for Communication Programs, The Johns Hopkins School of Public Health, 1997.

MLA aipamena

Hatcher, Robert A., and Robert A. Hatcher. The Essentials of Contraceptive Technology. Population Information Program, Center for Communication Programs, The Johns Hopkins School of Public Health, 1997.