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.