TY  - BOOK
AU  - Tubbs, Stewart L.,
AU  - Moss, Sylvia,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 70654042
SN  - 2
PY  - 1991///];copyright 1991.46
CY  - New York
PB  - McGraw-Hill
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Communication
N1  - Includes bibliographical references (p. 447-469) and indexes; 5
ER  -