Gaya APA
Hartzema, A, G. et al
(1991).
Pharmaco Epidemiology an Introduction
(
2nd. ed.)
.
Cincinnati:
Harvey Whitney.
Gaya MLA
Hartzema, Abraham, G.. et al.
"Pharmaco Epidemiology an Introduction".
2nd. ed.
Cincinnati:
Harvey Whitney,
1991.
Text.