Cita APA

Hatcher, R. A. (1998). The Essentials of contraceptive technology. Population Information Program, John Hopkins University School of Public Health.

Citación estilo Chicago

Hatcher, Robert A. The Essentials of Contraceptive Technology. Baltimore, Md: Population Information Program, John Hopkins University School of Public Health, 1998.

Cita MLA

Hatcher, Robert A. The Essentials of Contraceptive Technology. Population Information Program, John Hopkins University School of Public Health, 1998.