McManis, Carolyn. <br/><br/>
Language files: materials for an introduction to language. 

 - 4th ed 
 - Reynoldsburg,  Advocate publishing group,  1987. 
 - vii,423p.:  ill;  28cm. 
<br/><br/>Include bibliographical references and index 
<br/><br/><label>ISBN: </label>0898940400 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Language
<br/><br/><label>LC Class. No.: </label>SJMC P1128.L38