TY  - BOOK
AU  - Choy, Penelope.   
AU  - Clark, Dorothy Goldbart. 
TI  - Basic grammar and usage
SN  - 1413008925 (pbk.) 
AV  - PE1112 .C48 2006  
PY  - 2006///
CY  - Boston : 
PB  - Thomson Wadsworth
KW  - English language
KW  - Grammar
KW  - Composition and exercises.
N1  - Includes index.
ER  -