Gaya APA

Fred, N, K. (1993). Asas - Asas Penelitian Behavioral (3). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Fred, N., Kerlinger,. "Asas - Asas Penelitian Behavioral". 3 Yogyakarta: Gadjah Mada University Press, 1993. Text.