May, Peter <br/><br/>
Knockout :  First certificate : Student's book / 
Peter May. 
 - Oxford :  Oxford University Press,  1999. 
 - 191 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers<br/>English language--Grammar--Problems, exercises, etc<br/>English language--Certificate