Gaya APA
Kerlinger, F, N.
(1993).
Asas-asas Penelitian Behavioral
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Kerlinger, Fred, N.
"Asas-asas Penelitian Behavioral".
Yogyakarta:
Gadjah Mada University Press,
1993.
Text.