APA aipamena

Gordis, L. (2009). Epidemiology (4th ed.). Elsevier/Saunders.

Chicago Style aipamena

Gordis, Leon. Epidemiology. 4th ed. Philadelphia: Elsevier/Saunders, 2009.

MLA aipamena

Gordis, Leon. Epidemiology. 4th ed. Elsevier/Saunders, 2009.