APA Style
Beaglehole, R., R.Bonita, .
(1997).
Dasar-Dasar Epidemiologi
.
Yogyakarta:
Gadjah Mada University.
MLA Style
Beaglehole, R.., R.Bonita, .
"Dasar-Dasar Epidemiologi".
Yogyakarta:
Gadjah Mada University,
1997.
Text.