Porter, B. F. (1988). Reasons for living: A basic Ethics (1a. ed.). Macmillan Publishing Company.
Chicago Style (17th ed.) CitationPorter, Burton F. Reasons for Living: A Basic Ethics. 1a. ed. Nueva York: Macmillan Publishing Company, 1988.
MLA (9th ed.) CitationPorter, Burton F. Reasons for Living: A Basic Ethics. 1a. ed. Macmillan Publishing Company, 1988.
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