Sheen, F. J. (1940). A universal norm of morality. Our Sunday Visitor Press.
Chicago Style aipamenaSheen, Fulton J. A Universal Norm of Morality. Huntington, Ind.: Our Sunday Visitor Press, 1940.
MLA aipamenaSheen, Fulton J. A Universal Norm of Morality. Our Sunday Visitor Press, 1940.
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