The hidden costs of reward :  new perspectives on the psychology of human motivation / 
edited by Mark R. Lepper [and] David Greene 
 - New Jersey :  Lawrence Erlbaum Associates,  c1978 
 - xiii, 262 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>047026487X :  USD 16.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reward (Psychology)--Addresses, essays, lectures<br/>Motivation (Psychology)--Addresses, essays, lectures
<br/><br/><label>Dewey Class. No.: </label>159.4