Gaya APA

gerstman, B, B. (2003). Epidemiology Kept Simple: an instroduction to traditional and modern epidemiology (Ed.2). America: wiley-liss.

Gaya MLA

gerstman, B., Burt. "Epidemiology Kept Simple: an instroduction to traditional and modern epidemiology". Ed.2 America: wiley-liss, 2003. Text.