TY  - BOOK
AU  - Molinsky, Steven J.
TI  - Side by side : Teacher ́s guide 
SN  - 0138112827
U1  - 428.64 M724s 
PY  - 1989///
CY  - Estados Unidos 
PB  - Prentice Hall 
KW  - GRAMMATICAL PARADIGMS
KW  - SIDE BY SIDE EXERCISES
ER  -