The encyclopedic dictionary of psychology / 
Ed. adviser T.F. Pettijohn. 
 - 4th ed. 
 - Guilford, Conn. :  Dushkin Publ. Group, Inc.,  1991. 
 - vi, 298 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0879678852 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Dictionaries