TY  - GEN
AU  - WERNER, P. K.
AU  - CHURCH, M. M et al.
TI  - Interactions II A Communicative Grammar,
SN  - 0-07-557536-1
U1  - 425WER 
PY  - 1990///
CY  - New York
PB  - McGraw- Hill Publishing Company
ER  -