Gaya APA
Fletcher, R, H. et al
(1988).
Sari Epidemiologi Klinik
(
2)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Fletcher, Robert, H.. et al.
"Sari Epidemiologi Klinik".
2
Yogyakarta:
Gadjah Mada University Press,
1988.
Text.