Hatcher, R. A. (2005). The essentials of contraceptive technology. Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health.
Chicago (17e ed.) BronvermeldingHatcher, Robert A. The Essentials of Contraceptive Technology. Baltimore, MD: Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health, 2005.
MLA (8e ed.) BronvermeldingHatcher, Robert A. The Essentials of Contraceptive Technology. Population Information Program, Center for Communication Programs, Johns Hopkins School of Public Health, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.