Gaya APA

Kasper, D, L. (2005). Harrison's : Principles of Internal Medicine 16th Ed. Volume 1 (16th Ed., Volume 1). New York: McGraw-Hill Companies.

Gaya MLA

Kasper, Dennis, L.. "Harrison's : Principles of Internal Medicine 16th Ed. Volume 1". 16th Ed., Volume 1 New York: McGraw-Hill Companies, 2005. Text.