APA引文
Gordis, L. (2009). Epidemiology (4th ed.). Saunders Elsevier.
Chicago Style (17th ed.) Citation
Gordis, Leon. Epidemiology. 4th ed. Philadelphia, PA: Saunders Elsevier, 2009.
MLA引文
Gordis, Leon. Epidemiology. 4th ed. Saunders Elsevier, 2009.
警告:這些引文格式不一定是100%准確.