APA (7th ed.) Zitazioa
Clark, S. R. L. (2000). Biology and Christian ethics. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
Clark, Stephen R. L. Biology and Christian Ethics. Cambridge, UK ; New York: Cambridge University Press, 2000.
MLA (9th ed.) Zitazioa
Clark, Stephen R. L. Biology and Christian Ethics. Cambridge University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.