Sheal, Peter. <br/><br/>
Advanced level writing skills / 
Peter Sheal. 
 - Harlow, Essex :  Longman,  1981. 
 - viii, 135 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0582643074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreigners--African<br/>English language--Composition and exercises