TY  - BOOK
AU  - PRESTON,Dennis R.
TI  - Varieties of American English: teacher's handbook 
SN  - pbk
PY  - 1988///
CY  - Washington, D.C.
PB  - United States Information Agency
KW  - English language
KW  - United States
KW  - Usage
KW  - English language, Varieties of
ER  -