2014_15
Educational guide 
Faculty of Arts
A A 
english 
Graduate in English Studies
 Subjects
  ENGLISH I
   Sources of information
Basic Kay and Jones, New Inside Out Upper Intermediate, Student's book, , Macmillan

You may already possess a good learner's dictionary and a language practice book.
I can recommend the following:

Oxford Advanced Learner's Dictionary
Intermediate Language Practice with key, Macmillan

Also as a language reference book: Peactical English Usage, Michael Swan, OUP

Complementary