The Hidden costs of reward  new perspectives on the psychology of human motivation 
edited by Mark R. Lepper, David Greene. 
 - Hillsdale, N.J.  New York  L. Erlbaum Associates  distributed by Halsted Press  1978. 
 - xiii, 262 p.  24 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>047026487X 
<br/><br/><label>LCCN: </label>78015279  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reward (Psychology)--Addresses, essays, lectures.<br/>Motivation (Psychology)--Addresses, essays, lectures.
<br/><br/><label>LC Class. No.: </label>BF319.5.R48  / H5 
<br/><br/><label>Dewey Class. No.: </label>152.5