Collins COBUILD advanced dictionary of American English 
 Collins COBUILD advanced dictionary of American English  [computer file] 

 - Boston, MA  :  Thomson ELT,  c2007 
 - lxxxvii, 1591 p. :  ill. (some col.) ;  24 cm. +  1 computer disc 
<br/><br/><label>ISBN: </label>9781424003631 1424003636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Dictionaries