TY  - BOOK
AU  - Vann, Roberta J., 1947-
AU  - Hefley, Vivian P., 1943-
TI  - Viewpoints U.S.A., a basic ESL reader 
SN  - 0060467916
U1  - 428 
PY  - 1984///
CY  - New York
PB  - Harper & Row Publishers
KW  - English language - Textbooks for foreign speakers
KW  - English as a second language
ER  -