Lewis, Barry
Understanding humans: introduction to physical anthropology and archaeology
Wadsworth and Cengage Learning, 2013
 Buku Teks
Pojman, Louis P.
Environmental ethics : readings on theory and application
Wadsworth and Cengage Learning, 2012
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Schinzinger, Roland
Introduction to engineering ethics
McGraw-Hill, 2000
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Lee, Steven P.
Ethics and war : an Introduction
Cambridge University Press, 2012
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Gensler, Harry J., 1945-
Ethics : a contemporary introduction
Routledge, 1998
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