Kupperman, Joel J. The Foundations of morality [Texte imprimé] / Joel J. Kupperman - London: G. Allen and Unwin, 1983 - Unwin education books (G. Allen and Unwin, London) . - Unwin education books (G. Allen and Unwin, London) . ISBN: 0-04-370125-6 Dewey Class. No.: 171