1. An Approach to the Study of Communicative Acts;Newcomb,1953
2. A Case Study of Organizational Information Seeking and Consumer Information Needs;Grunig,1974
3. A Conceptual Model for Communications Research;Bruce H.;Journalism Quarterly,1957
4. Predicting a Source's Success in Placing News in the Media;Tichenor;Journalism Quarterly,1967
5. Consumer Behavior;Engle,1973