Sullivan, E., & Frace, R. S. (2009). Propotionality principles in American Law: Controlling exessive Government actions. Oxford.
استشهاد بنمط شيكاغوSullivan, E.Thomas, و Richard S. Frace. Propotionality Principles in American Law: Controlling Exessive Government Actions. New York: Oxford, 2009.
MLA استشهادSullivan, E.Thomas, و Richard S. Frace. Propotionality Principles in American Law: Controlling Exessive Government Actions. Oxford, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.