Watson, David L. Self-directed behavior : self-modification for personal adjustment / David L. Watson, Roland G. Tharp. - 6th ed. - Pacific Grove, Calif. : Brooks/Cole, c1993. Pacific Grove, Calif. : Brooks/Cole, c1993. - x, 356 p. : ill. ; 25 cm. Subjects--Topical Terms: Behavior modification. Self-management (Psychology) Adjustment (Psychology) Success -- Psychological aspects.