APA (7th ed.) Zitazioa
ebrary, Inc, Sullivan, S., & Schmidt, D. J. (2008). Difficulties of ethical life. Fordham University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Shannon Sullivan, eta Dennis J. Schmidt. Difficulties of Ethical Life. New York: Fordham University Press, 2008.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Difficulties of Ethical Life. Fordham University Press, 2008.
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