Gaya APA

davis, R, C, B, P, L, R, J, R. (1993). Chronic Disease Epidemiology And Control . USA: american public health association.

Gaya MLA

davis, Ross, C., Brownson,, Patrick, L, Remington,, James, R. "Chronic Disease Epidemiology And Control". USA: american public health association, 1993. Text.