Longman essential activator :  Put your ideas into words / 
Longman. 
 - Harlow :  Addison Wesley Longman Limited,  1997. 
 - vii, 997 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>058224742X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dictionaries--English.