TY  - BOOK
AU  - David P. Harris
TI  - Testing English as a second language
U1  - 428 H313t 
PY  - 1969///
CY  - New York
PB  - McGraw-Hill 
KW  - English language -- Study and teaching -- Foreign speakers.
KW  - English language -- Ability testing.
KW  - Second language acquisition
ER  -