Gaya APA

Kerlinger, F, N., Simatupang, L, R. (2014). Asas-Asas Penelitian Behavioral (foundation of behavioral research) (Cet. 12). Yogyakarta: UGM Press.

Gaya MLA

Kerlinger, Freed, N.., Simatupang, Landung, R.. "Asas-Asas Penelitian Behavioral (foundation of behavioral research)". Cet. 12 Yogyakarta: UGM Press, 2014. Text.