Lefrancois, Guy R. <br/><br/>
Of children :  an introduction to child development / 
Guy R. Lefrancois. 
 - 3rd ed. 
 - Belmont, Ca. :  Wadsworth Publishing Co.,  1980. 
 - xv, 540 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references : p. 484-526. 
<br/><br/><label>ISBN: </label>0534007120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child development.