Gaya APA

Kerlinger, F, N. (2014). Asas Asa Penelitian Behavioral (Cet 12). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Kerlinger, Freed, N. "Asas Asa Penelitian Behavioral". Cet 12 Yogyakarta: Gadjah Mada University Press, 2014. Text.