Gaya APA
KERLINGER, F, N.
(2007).
Asas-asas Penelitian Behavioral
(
1)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
KERLINGER, FRED, N.
"Asas-asas Penelitian Behavioral".
1
Yogyakarta:
Gadjah Mada University Press,
2007.
Text.