Hatcher, R. A. (2003). The Essentials of contraceptive technology. Population Information Program, Center for Communication Programs, John Hopkins Bloomberg, School of Public Health.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hatcher, Robert A. The Essentials of Contraceptive Technology. Baltimore, Md: Population Information Program, Center for Communication Programs, John Hopkins Bloomberg, School of Public Health, 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hatcher, Robert A. The Essentials of Contraceptive Technology. Population Information Program, Center for Communication Programs, John Hopkins Bloomberg, School of Public Health, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.