Gaya APA

Kerlinger, F, N. (2014). Asas-Asas Penelitian Behavioral . YOGYAKARTA: Gadjah Mada University Press.

Gaya MLA

Kerlinger, Freed, N.. "Asas-Asas Penelitian Behavioral". YOGYAKARTA: Gadjah Mada University Press, 2014. Text.