TY  - BOOK
AU  - Richards, J. C.
AU  - Long, M.N.
TI  - Breakthrough 2: a course in English communication practice: work book 
SN  - 0194253651
U1  - 420.7 
PY  - 1984///
CY  - Oxford: 
PB  - Oxford University Press
KW  - English Language
ER  -