APA (7th ed.) Zitazioa
Freeman, J. M., & McDonnell, K. (2001). Tough decisions: Cases in medical ethics (2nd ed.). Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Freeman, John Mark, eta Kevin McDonnell. Tough Decisions: Cases in Medical Ethics. 2nd ed. Oxford ; New York: Oxford University Press, 2001.
MLA (9th ed.) Zitazioa
Freeman, John Mark, eta Kevin McDonnell. Tough Decisions: Cases in Medical Ethics. 2nd ed. Oxford University Press, 2001.
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