Joyce, T., & Kaestner, R. (1995). State reproductive policies and adolescent pregnancy resolution: The case of parental involvment laws. National Bureau of Economic Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Joyce, Theodore, و Robert Kaestner. State Reproductive Policies and Adolescent Pregnancy Resolution: The Case of Parental Involvment Laws. Cambridge: National Bureau of Economic Research, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Joyce, Theodore, و Robert Kaestner. State Reproductive Policies and Adolescent Pregnancy Resolution: The Case of Parental Involvment Laws. National Bureau of Economic Research, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.