APA استشهاد

Harpe, G. G. (1959). Masters of political thought: Hegel to Dewey. Oxford University.

استشهاد بنمط شيكاغو

Harpe, George G. Masters of Political Thought: Hegel to Dewey. London: Oxford University, 1959.

MLA استشهاد

Harpe, George G. Masters of Political Thought: Hegel to Dewey. Oxford University, 1959.