Παραπομπή σε μορφή APA (7η εκδ.)

Paulos Gregorios. (1972). The freedom of man: An inquiry into some roots of the tension between freedom and authority in our society. Westminster Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Paulos Gregorios. The Freedom of Man: An Inquiry into Some Roots of the Tension Between Freedom and Authority in Our Society. Philadelphia: Westminster Press, 1972.

Παραπομπή σε μορφή MLA (8th εκδ.)

Paulos Gregorios. The Freedom of Man: An Inquiry into Some Roots of the Tension Between Freedom and Authority in Our Society. Westminster Press, 1972.