Gaya APA

Beauchamp, T, L, &, C, J, F. (2001). Principles of Biomedical ethics, 5th ed. . New York: New York Oxford University Press.

Gaya MLA

Beauchamp, Tom, L., &, Childress,, James, F.. "Principles of Biomedical ethics, 5th ed. ". New York: New York Oxford University Press, 2001. Buku.