TY  - BOOK
AU  - Jenkins, Tricia.
TI  - Media : : communication & production, advanced textbook 
SN  - 0240514254 Np. 
AV  - P 91 M42 1997 CIRC 
PY  - 1997///
CY  - Oxford
PB  - Focal Press, 
KW  - Mass media
N1  - Includes bibliographical references and index
ER  -