APA

Harrison T. R., .Harrison´s principles of internal medicine. New York: McGraw - Hill Book.

Chicago

Harrison Tinsley Randolph, .Harrison´s principles of internal medicine. New York: McGraw - Hill Book.

Harvard

Harrison T. R., .Harrison´s principles of internal medicine. New York: McGraw - Hill Book.

MLA

Harrison Tinsley Randolph, .New York: McGraw - Hill Book. .