TY  - BOOK
AU  - Griffin Em
AU  - Ledbetter Andrew 
AU  - Sparks Glenn
TI  - A first look at communication theory 
SN  - 9789814577168
AV  - P 90.1222 2012 
PY  - 2012///
CY  - New York
PB  - McGraw Hill
KW  - Communication
ER  -