TY  - BOOK
ED  - Enos, Richard Leo 
TI  - Oral and written communication : historical approaches
T2  - Written communication annual : an international survey of research and theory; no.4
SN  - 0803931077
U1  - 001.5409 
PY  - 1990///
CY  - New Delhi
PB  - Sage Publications
ER  -