Porter, David. <br/><br/>
Check your vocabulary for academic English 

 - 3rd ed. 
 - London :  A. & C. Black,  2007. 
 - 78 p. ;  30 cm. 
<br/><br/><label>ISBN: </label>9780713682854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language . Textbooks for foreign speakers.<br/>ELT: Learning material & coursework<br/>English<br/>Vocabulary.