Gaya APA

KASPER, D, L, [., LOSCALZO, J, [. (2022). HARRISON'S principles of internal medicine, vol.1 (21th ed.). New York: McGraw Hill LCC.

Gaya MLA

KASPER, Dennis, L., [ed.]., LOSCALZO, Joseph, [ed.]. "HARRISON'S principles of internal medicine, vol.1". 21th ed. New York: McGraw Hill LCC, 2022. Text.