Gaya APA

L.Longo, D., L.Kasper, D. (2012). Harrison's Principles of Internal Medicine Volume 1 Buku 2 (13,14,15,16,17,18). : Mc Graw Hill.

Gaya MLA

L.Longo, Dan., L.Kasper, Dennis. "Harrison's Principles of Internal Medicine Volume 1 Buku 2". 13,14,15,16,17,18 : Mc Graw Hill, 2012. Text.