Gaya APA

Watson, D, L., Tharp, R, G. (1985). Self Directed Behavior: Self Modification for Personal Adjustment (Cet. I). California: Brooks/Cole Publishing Company.

Gaya MLA

Watson, David, L., Tharp, Roland, G.. "Self Directed Behavior: Self Modification for Personal Adjustment". Cet. I California: Brooks/Cole Publishing Company, 1985. Text.