TY  - BOOK
AU  - HAYDEN,Rebecca E
AU  - Aurora Quiros Haggard
AU  - Dorothy W.Pilgrim
TI  - Mastering American English : : A Handbook + Workbook of Essensial 
SN  - 4-8053-0783-8
U1  - 428. 
PY  - 1998///
CY  - Tokyo
PB  - Tuttle Publishing
KW  - 0
KW  - Grade 7-9
ER  -