Watson, D. L., & Tharp, R. G. (1985). Self-directed behavior: Self-modification for personal adjustment. Brooks/Cole.
Chicago (17e ed.) BronvermeldingWatson, David L., en Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. Monterey, Calif: Brooks/Cole, 1985.
MLA (9e ed.) BronvermeldingWatson, David L., en Roland G. Tharp. Self-directed Behavior: Self-modification for Personal Adjustment. Brooks/Cole, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.