TY  - BOOK
AU  - Kench,A.B.
TI  - The language of English business letters: commercial correspondence for foreign students of English 
SN  - 0333132890
U1  - 651.7/5 18
PY  - 1972///.
CY  - London: 
PB  - Macmillan, 
KW  - Commercial correspondence
ER  -