Gaya APA

Harrison, . (1980). Harrison's Principles of Internal Medicine Edisi 9: Gangguan Heparatobilier & Pankreas . New York: McGraw-Hill.

Gaya MLA

Harrison, . "Harrison's Principles of Internal Medicine Edisi 9: Gangguan Heparatobilier & Pankreas". New York: McGraw-Hill, 1980. Text.