Gaya APA
Kerlinger, F, N. et al (1990).
Asas-asas Penelitian Behavioral (Ed.3).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Kerlinger, Fred, N.. et al.
"Asas-asas Penelitian Behavioral".
Ed.3
Yogyakarta:
Gadjah Mada University Press,
1990.
Text.