Paterson, Ken <br/><br/>
Grammar spectrum 1:  elementary with answers / 
Ken Paterson 
 - NY. :  Oxford,  2004 
 - 120 p. 
<br/><br/><label>ISBN: </label>0194314103 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tiếng Anh--Ngữ pháp<br/>English language.<br/>English language--Grammar
<br/><br/><label>Dewey Class. No.: </label>425  / PAT(1) 2004