Oxford English grammar course. a grammar practice book for intermediate and upper-intermediate students of English : with answers / Intermediate :
Michael Swan & Catherine Walter.
- Oxford : Oxford University Press, 2011.
- 386 p. : ill. (some col.) + 1 CD-ROM
Includes index.
9780194420822
English language--Grammar--Problems, exercises, etc. English language--Usage. English language--English.--Textbooks for foreign speakers