O'Hara, J. F. (1952). The Natural Law. Washington, D.C..
Chicago Style (17th ed.) CitationO'Hara, John Francis. The Natural Law. Washington, D.C., 1952.
Cita MLAO'Hara, John Francis. The Natural Law. Washington, D.C., 1952.
Atenció: Aquestes cites poden no estar 100% correctes.