Ayllon, Teodoro  1929- <br/><br/>
The token economy :  a motivational system for therapy and rehabilitation / 
Teodoro Ayllon, Nathan Azrin. 
 - New York:   Prentice Hall,   [1968].  
 - viii, 288 p. ;  24 cm. 
 - The century psychology series .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>013919357X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental Disorders--physiopathology<br/>Clinical psychology
<br/><br/><label>Dewey Class. No.: </label>616.891