Hospers, J. (1996). Human conduct: Problems of ethics (3rd ed.). Harcourt Brace College Publishers.
Chicago Style aipamenaHospers, John. Human Conduct: Problems of Ethics. 3rd ed. Fort Worth: Harcourt Brace College Publishers, 1996.
MLA aipamenaHospers, John. Human Conduct: Problems of Ethics. 3rd ed. Harcourt Brace College Publishers, 1996.
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