APA Style
Kerlinger, F, N.
(1990).
Asas-Asas Penelitian Behavioral
.
yogyakarta:
Gadjah Mada University.
MLA Style
Kerlinger, Fred, N..
"Asas-Asas Penelitian Behavioral".
yogyakarta:
Gadjah Mada University,
1990.
Text.