Azar, Betty Schrampfer,  1941- <br/><br/>
Understanding and using English grammar / 
Betty Schrampfer Azar. 
 - 2nd ed. 
 - New Jersey :  Prentice Hall,  c1989. 
 - xvi, 374, p.  ill. ;  23 cm. 
<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>9780139436710 
<br/><br/><label>LCCN: </label>88031425  
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/> -- -- 
<br/><br/><label>LC Class. No.: </label>PE1128  / .A97 1989b 
<br/><br/><label>Dewey Class. No.: </label>428.2/4  / A992