Cita APA (7th ed.)

Watson, D. L., & Tharp, R. G. (1985). Self-directed behavior: Self-modification for personal adjustment. Brooks/Cole.

Cita Chicago (17th ed.)

Watson, David L., i Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. Monterey, Calif: Brooks/Cole, 1985.

Cita MLA (9th ed.)

Watson, David L., i Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. Brooks/Cole, 1985.