Gaya APA

M.D., R, C, L. (1981). Physiology of the Heart & Circulation (Ed. 2). U.S.A: Year Book Medical Publisher.

Gaya MLA

M.D., Robert, C., Little,. "Physiology of the Heart & Circulation". Ed. 2 U.S.A: Year Book Medical Publisher, 1981. Monograf.