Brown, J. S. (1961). The motivation of behavior. McGraw-Hill.
Dyfyniad Arddull ChicagoBrown, Judson Seise. The Motivation of Behavior. New York: McGraw-Hill, 1961.
Dyfyniad MLABrown, Judson Seise. The Motivation of Behavior. McGraw-Hill, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.