TY  - BOOK
AU  - Severin Werner J
AU  - Severin Werner J
ED  -  Tankard James W
TI  - Communication theories :  Origins, methods and uses   
T2  - Humanistic Studies in Communication Arts
SN  - 0803812752
PY  - 1979///
CY  - New York
PB  - Hastings House USA       
KW  - Public Relation Management
ER  -