Παραπομπή APA

Lewis, C. I. (1955). The ground and nature of the right. Columbia University Press.

Παραπομπή Chicago Style

Lewis, Clarence Irving. The Ground and Nature of the Right. New York: Columbia University Press, 1955.

Παραπομπή MLA

Lewis, Clarence Irving. The Ground and Nature of the Right. Columbia University Press, 1955.