TY  - BOOK
AU  - Warshawsky, Diane
TI  - Spectrum:a comumunicative course in english
SN  - 0-13-830159-X
U1  - 428.24 
PY  - 1995///
CY  - New Jersey : 
PB  - Prentice Hall, 
KW  - English language - texbooks for foreing speakers
N1  - Contiene 6 Volumenes
ER  -