Paulos Gregorios. (1972). The freedom of man: An inquiry into some roots of the tension between freedom and authority in our society. Westminster Press.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)Paulos Gregorios. The Freedom of Man: An Inquiry into Some Roots of the Tension Between Freedom and Authority in Our Society. Westminster Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.