Gaya APA

Isselbacher, K, J. et al (1983). Harrison's Principles of Internal Medicine: With CME Examination. Update IV . New York: Mc Graw-Hill Book.

Gaya MLA

Isselbacher, Kurt, J. et al. "Harrison's Principles of Internal Medicine: With CME Examination. Update IV". New York: Mc Graw-Hill Book, 1983. print.