Gensler, H. J., Spurgin, E. W., & Swindal, J. (2004). Ethics: Contemporary readings. Routledge.
Lua i Stíl Chicago (17ú heag.)Gensler, Harry J., Earl W. Spurgin, agus James Swindal. Ethics: Contemporary Readings. New York: Routledge, 2004.
Lua MLA (8ú heag.)Gensler, Harry J., et al. Ethics: Contemporary Readings. Routledge, 2004.
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