Gaya APA

Isselbacher, K, J, [. (1994). Harrison's principles of internal medicine Jilid 1 (13th. Ed.). New York: McGraw-Hill.

Gaya MLA

Isselbacher, Kurt, J, [et.al]. "Harrison's principles of internal medicine Jilid 1". 13th. Ed. New York: McGraw-Hill, 1994. Text.