TY  - BOOK
AU  - De Fleur, Melvin L
AU  - Sandra Ball-Rokeach
TI  - Theories of Mass Communication
SN  - 679-30293-x
AV  - SJMC HM258.D35 
PY  - 1975///
CY  - New York
PB  - David McKAY Company, Inc.
KW  - Mass Communication- Theories
KW  - New York
N1  - Includes bibliographical references and index
ER  -