Higgins, T. J. (1958). Man as man: The science and art of ethics (Rev. ed.). Bruce Pub. Co.
Chicago Style (17. basım) AtıfHiggins, Thomas J. Man as Man: The Science and Art of Ethics. Rev. ed. Milwaukee: Bruce Pub. Co, 1958.
MLA (9th ed.) AtıfHiggins, Thomas J. Man as Man: The Science and Art of Ethics. Rev. ed. Bruce Pub. Co, 1958.
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