Stein, K., Winikoff, B., & Kallianes, V. (1998). Abortion: Expanding access and improving quality. Population Council, The Robert H. Ebert Program on Critical Issues in Reproductive Health.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stein, Karen, Beverly Winikoff, و Virginia Kallianes. Abortion: Expanding Access and Improving Quality. New York, N. Y: Population Council, The Robert H. Ebert Program on Critical Issues in Reproductive Health, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Stein, Karen, et al. Abortion: Expanding Access and Improving Quality. Population Council, The Robert H. Ebert Program on Critical Issues in Reproductive Health, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.