APA aipamena

Pence, G. E. (2007). The elements of bioethics. Boston: McGraw-Hill.

Chicago Style aipamena

Pence, Gregory E. The Elements of Bioethics. Boston: McGraw-Hill, 2007.

MLA aipamena

Pence, Gregory E. The Elements of Bioethics. Boston: McGraw-Hill, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.