Gaya APA
Fletcher, R, H.
(1992).
Sari epidemiologi klinik
(
Edisi 2)
.
Yogyakarta:
Gajahmada University.
Gaya MLA
Fletcher, Robert, H.
"Sari epidemiologi klinik".
Edisi 2
Yogyakarta:
Gajahmada University,
1992.
PRINTED BOOK.