Gaya APA

Wiener, C. (2008). Harrison's : Principles of Internal Medicine Self-Assesment and Board Review 17th Ed. (17th Ed.). New York: McGraw-Hill.

Gaya MLA

Wiener, Charles. "Harrison's : Principles of Internal Medicine Self-Assesment and Board Review 17th Ed.". 17th Ed. New York: McGraw-Hill, 2008. Text.