TY  - BOOK
AU  - Tubbs, Stewart
AU  - Moss, Sylvia
TI  - Human communication: principles and contexts 
SN  - 97800071283632
AV  - P 90 .T78 2008
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill
KW  - Mass communication books
KW  - Communication
ER  -