Cita APA (7th ed.)
Watson, D. L., & Tharp, R. G. Self-Directed Behavior: Self-Modification for Personal Adjustment (6a edición.). Brooks Cole.
Cita Chicago (17th ed.)
Watson, David L., i Roland G. Tharp. Self-Directed Behavior: Self-Modification for Personal Adjustment. 6a edición. Pacific Grove, EUA: Brooks Cole.
Cita MLA (9th ed.)
Watson, David L., i Roland G. Tharp. Self-Directed Behavior: Self-Modification for Personal Adjustment. 6a edición. Brooks Cole.
Atenció: Aquestes cites poden no estar 100% correctes.