Lewis, C. I. (1955). The ground and nature of the right. Columbia University Press.
استشهاد بنمط شيكاغوLewis, Clarence Irving. The Ground and Nature of the Right. New York: Columbia University Press, 1955.
MLA استشهادLewis, Clarence Irving. The Ground and Nature of the Right. Columbia University Press, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.