Azar, Betty Schrampfer,  1941- <br/><br/>
Understanding and using English grammar / 
Betty Schrampfer Azar. 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall Regents,  c1989. 
 - xvi, 374, 30, 7 p. :  ill. ;  23 cm. 
 - 428.2/4 .
<br/><br/> "... available in two formats: in a single volume or in split volumes ... with Volume A focusing on verb forms and Volume B focusing on complex structures."  Includes index. 
<br/><br/><label>ISBN: </label>0139436146 0139436634 (v. A) 0139436715 (v. B) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>English language--Grammar--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>428.2/4