Cita APA (7th ed.)
Gibbs, R. (2000). Why ethics?: Signs of responsibilities. Princeton University Press.
Cita Chicago (17th ed.)
Gibbs, Robert. Why Ethics?: Signs of Responsibilities. Princeton, N.J.: Princeton University Press, 2000.
Cita MLA (9th ed.)
Gibbs, Robert. Why Ethics?: Signs of Responsibilities. Princeton University Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.