REFERENCES

1.Redman, Stuart. English Vocabulary in Use (Pre-intermediate and intermediate) / Stuart Redman. – Cambridge University Press, 2011. – 364 p.

2.Murphy, Raymond. English Grammar In Use / Raymond Murphy. – Cambridge University Press, 2012. – 392 p.

3.Davies, Susan. Pearson Test of English: General: Skills Booster: Level 4: Students' Book / Susan Davies, Martyn Ellis, Steve Baxter. – Pearson Longman,

   2011. – 144 p.

4.Davies, Susan. Pearson Test of English General Skills Booster 4: Teacher's Book / Susan Davies, Martyn Ellis, Steve Baxter. – Pearson Longman. 2012. – 160 p.

5.Lea, Diana. Oxford Advanced Learner's Dictionary / Diana Lea. – Oxford University Press, 2010. – 1952 p.

6.Vince, Michael. Macmillan English Grammar in Context: Advanced Level / Michael Vince. – Macmillan Education, 2011. – 240 p.

7.McCarthy, Michael. English Phrasal Verbs in Use: Intermediate / Michael McCarthy, Felicity O'Dell. – Cambridge University Press, 2013. – 208 p.