TY  - BOOK
AU  - Hayden, Rebecca E. 
AU  - Pilgrim, Dorothy W., Haggard. Aurora Quiros 
TI  - Mastering american english: a handbook-workbook of essentials 
SN  - 4805307838
AV  - PE 1111  .H414 1998
U1  - IB 425 
PY  - 1998///
CY  - Singapore
PB  - Tuttle Publishing
KW  -  English language--United States--Grammar.
KW  - English language--United States--Composition.
ER  -