Naylor, Helen <br/><br/>
Insight into PET :  student's book with answers / 
Helen Naylor, Stuart Hagger 
 - Cambridge :  Cambridge University Press,  2004 
 - 160 p. :  ill. (some col.) ;  28 cm. +  2 CDs 
<br/><br/><label>ISBN: </label>9780521527552 9780521527576 (CD) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Examinations, questions, etc.--Examinations, questions, etc.<br/>English language--Textbooks for foreign speakers