The Blackwell Guide to Ethical Theory
edited by Hugh LaFollette and Ingmar Persson
Wiley Blackwell, 2013
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Pojman, Louis P.
Environmental ethics : readings on theory and application
Wadsworth and Cengage Learning, 2012
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Bradley, F.H.
Ethical studies
Clarendon Press, 1959
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Brandt, Richard B.
Ethical theory: the problems of normative and critical ethics
Prentice-Hall, 1959
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Boss, Judith A.
Ethics for life: a text with readings / Judith A. Boss
McGraw-Hill, 2004
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