Cita APA (7th ed.)
Gert, B. (2005). Morality: Its nature and justification (Rev. ed.). Oxford University Press.
Cita Chicago (17th ed.)
Gert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford ; New York: Oxford University Press, 2005.
Cita MLA (9th ed.)
Gert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford University Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.