Kagan, Jerome, <br/><br/>
Psychology :  an introduction / 
Jerome Kagan, Ernest Havemann. 
 - 3rd ed. 
 - New York :  Harcourt Brace Jovanovich,  1976. 
 - 597 p. :  ill. ;  25 cm. 
<br/><br/>p. 567-585 
<br/><br/><label>ISBN: </label>015572617X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology