Fundamentals of English grammar /
Betty Schrampfer Azar, Stacy A. Hagen.
- 4th ed. with answer key
- White Plains, NY : Pearson Longman, c2011.
- xiii, 474 pages : ill. ; 26 cm + 1 CD
Includes index.
9780138022129
English language -- Textbooks for foreign speakers. English language -- Grammar -- Problems, exercises, etc.