Longman study dictionary of american english 
 Study dictionary of American English 

 - England :  Longman,  2006. 
 - 805 p. 
<br/><br/><label>ISBN: </label>1405831650 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Dictionaries
<br/><br/><label>LC Class. No.: </label>PE2835  / .L863