APA-viite (7. p.)
Watson, D. L., & Tharp, R. G. (1989). Self-directed behavior: Self-modification for personal adjustment (5th ed.). Brooks/Cole Pub. Co..
Chicago-viite (17. p.)
Watson, David L., ja Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. 5th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1989.
MLA-viite (9. p.)
Watson, David L., ja Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. 5th ed. Brooks/Cole Pub. Co., 1989.
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