4Mirando, J. A. (2001). "Embracing Objectivity Early On: Journalism Textbooks of the 1800s". Journal of Mass Media Ethics , 16 (1), P.23-32.
5Narone, J. C. (ed.) (1995). Last Rights. Chicago: University of Illinois Press.
6Motte, F. L. (1950). American Journalism: A History of News Paper in United States through 260 Years: 1690- 1950. New York: The Macmillan Company.
7Motte, F. L. 1962 (. American Journalism: A History of News Paper in United States through 260 Years: 1690- 1962. New York: The Macmillan Company.
8莫斯可·文森特(2000).《传播政治经济学》,胡正荣等译,华夏出版社.
9Phillips, E. B. (1977). "approaches to Objectivity: Journalism versus Social Science Perspectives". In Hirsch, P., Miller, P. V. & Kline, F.G. (Eds.). Strategies for Communication Research. Beverly Hill: Sage Publications.
10Schramm, W. (1957). "Twenty Years of Journalism Research". Public Opinion Quarterly. Vol. 21, P.91 - 107.