Martineau, J. (1901). Types of ethical theory. Clarendon Press.
Cita Chicago (17th ed.)Martineau, James. Types of Ethical Theory. Oxford: Clarendon Press, 1901.
Cita MLA (8th ed.)Martineau, James. Types of Ethical Theory. Clarendon Press, 1901.
Atenció: Aquestes cites poden no estar 100% correctes.