Gaya APA

Kasper, D, L, [, [. (2015). Harrison Principles of Internal Medicine Vol 1 (Vol.1 , 19th. Ed.). New York: McGraw Hill.

Gaya MLA

Kasper, Dennis, L., [et.al], [ed]. "Harrison Principles of Internal Medicine Vol 1". Vol.1 , 19th. Ed. New York: McGraw Hill, 2015. Text.