G Wallace & A D M Walker. (1970). The Definition of Morality. Methuen & Co Ltd.
Chicago Edition CitationG Wallace & A D M Walker. The Definition of Morality. London: Methuen & Co Ltd, 1970.
Cita MLAG Wallace & A D M Walker. The Definition of Morality. Methuen & Co Ltd, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.