Gaya APA

WATSON, D, L., THARP, R, G. (2006). SELF-DIRECTED BEHAVIOR SELF-MODICATION FOR PERSONAL ADJUSTMENT (9). BELMONT: Thomson.

Gaya MLA

WATSON, DAVID, L.., THARP, ROLAND, G.. "SELF-DIRECTED BEHAVIOR SELF-MODICATION FOR PERSONAL ADJUSTMENT". 9 BELMONT: Thomson, 2006. Text.