Understanding and using English grammar /
Betty Schrampfer Azar.
- 2nd ed.
- Englewood Cliffs, N.J. : Prentice Hall Regents, c1989.
- xvi, 374 p. : ill. ; 23 cm.
Includes index.
0139436146
English language-- Textbooks for foreign speakers. English language-- Grammar-- Problems, exercises, etc.