Owens, Robert E. Jr. <br/><br/>
Language Development An Introduction 
by Robert E. Owens, Jr.  
 - 4th ed. 
 - Boston   Allyn & Bacon  1996 
 - xvi, 544 pages; 23 cm. 
<br/><br/> includes glossary, references and index 
<br/><br/><label>ISBN: </label>0-02-390191-8 
<br/><br/><label>Dewey Class. No.: </label>GR/401.93/Ow2/1996