Gaya APA

COZBY, P, C. et al (2009). Methods in behavioral research (Ed. 9, cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya MLA

COZBY, Paul, C.. et al. "Methods in behavioral research". Ed. 9, cet. 1 Yogyakarta: Pustaka Pelajar, 2009. Text.