APA (7th ed.) Zitazioa
ebrary, Inc, Nuccetelli, S., & Seay, G. (2012). Ethical naturalism: Current debates. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Susana Nuccetelli, eta Gary Seay. Ethical Naturalism: Current Debates. Cambridge ; New York: Cambridge University Press, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Ethical Naturalism: Current Debates. Cambridge University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.