TY  - GEN
AU  - Kirn,Elaine
AU  - Darcy,Jack
TI  - A communicative grammar: Interactions one 
SN  - 9701010442 :
U1  - 425 
PY  - 1996///
CY  - México, D.F.
PB  - McGraw-Hill companies  Inc.
KW  - GRAMMAR
ER  -