TY  - BOOK
AU  - REVELL,ROD
AU  - NATEROP,B.J.
TI  - TELEPHONING IN ENGLISH / 
U1  - 384.6 
PY  - 1992///
CY  - [S.N] : 
PB  - CAMBRIBGE UNIVERSITY PRESS ، 
KW  - COMMERCE
KW  - TELEPHONING
ER  -