TY  - BOOK
AU  - Gamble, T. K. 
AU  -  Gamble, M.
TI  - Communication works
SN  - 978 0 07 107067 6
U1  - 302.2 
PY  - 2010///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - English
ER  -