Gaya APA

Ray, W, J., Ravizza, R. (1985). METHODS TOWARD A SCIENCE OF BEHAVIOR AND EXPERIENCE (Kedua). California, USA: Wadsworth Publishing.

Gaya MLA

Ray, William, J., Ravizza, Richard. "METHODS TOWARD A SCIENCE OF BEHAVIOR AND EXPERIENCE". Kedua California, USA: Wadsworth Publishing, 1985. Text.