TY  - BOOK
AU  - Ward, Ann
AU  - Whitney, Norman
TI  - Open doors : teacher's book 3
SN  - 9780194356107
U1  - 428 WAR 
PY  - 1996///
CY  - Oxford
PB  - Oxford University Press
KW  - English language -- Study and teaching -- Foreign speakers
KW  - Standard English usage
ER  -