TY  - BOOK
AU  - Amberg, Julie S
AU  - Vause, Deborah J
TI  - American English : history, structure, and usage
SN  - 9780521852579
U1  - 425 AMB 
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language -- United States -- Grammar
KW  - English language -- United States -- History
KW  - English language -- United States -- Syntax
KW  - English language -- United States -- Usage
KW  - English language -- Variation -- United States
ER  -