Gaya APA

Degrazia, D, T, A, M, B, J. (2011). Biomedical Ethics (Seventh Edition). New York: McGraw-Hill Companies.

Gaya MLA

Degrazia, David,, Thomas, A., Mappes,, Brand-Ballard,, Jeffrey. "Biomedical Ethics". Seventh Edition New York: McGraw-Hill Companies, 2011. Text.