Duignan, B., & DeCarlo, C. (2019). The U.S. Constitution and the separation of powers. Britannica Educational Publishing in association with Rosen Educational Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duignan, Brian, و Carolyn DeCarlo. The U.S. Constitution and the Separation of Powers. New York: Britannica Educational Publishing in association with Rosen Educational Services, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duignan, Brian, و Carolyn DeCarlo. The U.S. Constitution and the Separation of Powers. Britannica Educational Publishing in association with Rosen Educational Services, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.