4J. Kekes. The Morality of Pluralism. Princedon University Press, 1993, 38.
5J. Kekes. "Pluralism, moral imagination and moral education, in in Education in Morality. " Ed. J. Mark Halstead and Terence H. MeLaughlin, London : Routledge, 1999.
8A. MaIntyre. "How to seem virtues without actually being so, Education in Morality. " Ed. J. Mark Halstead and Terence H. MeLaughlin, London.. Routledge, 1999.
9Michd Oakeshott. On Human Conduct. Oxford : Clarendon Press, 1975.