Hatcher, R. A. (1998). The Essentials of contraceptive technology. Population Information Program, John Hopkins University School of Public Health.
Citación estilo ChicagoHatcher, Robert A. The Essentials of Contraceptive Technology. Baltimore, Md: Population Information Program, John Hopkins University School of Public Health, 1998.
Cita MLAHatcher, Robert A. The Essentials of Contraceptive Technology. Population Information Program, John Hopkins University School of Public Health, 1998.
Warning: These citations may not always be 100% accurate.