English unlimited :  B2 Upper intermediate coursebook with e-portfolio / 
Alex Tilbury ... [et al.]. 
 - Cambridge :  Cambridge University Press,  2011 
 - 3 v. :  ill. (some col.) ;  29 cm. +  3 DVD- ROM + 1 sound discs 
<br/><br/>v.1 : Upper intermediate coursebook with e-portfolio  (with audio CD) -- v.2 : Self-study pack (with DVD-video) -- v.3 : Teacher's pack (with audio CD) -- Class audio CDs (set of 2 sound discs) 
<br/><br/><label>ISBN: </label>9780521739917 (Coursebook with e-Portfolio) 9780521169714 (Self-study pack) 9780521151702 (Teacher's pack) 9780521739924 (Class audio CDs) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign<br/>English language--Sound recordings for foreign speakers<br/>English language--Study and teaching--Foreign speakers