Gensler, H. J. (1996). Formal ethics. Routledge.
Cita Chicago (17th ed.)Gensler, Harry J. Formal Ethics. London ; New York: Routledge, 1996.
Cita MLA (9th ed.)Gensler, Harry J. Formal Ethics. Routledge, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.