Sumpter, R. S
(2000).The golden age of the newspaper. Journalism and Mass Communication Quarterly: devoted to research and commentary in journalism and mass communication.
77(3), 687-687.
Sumpter, R.
(2001).Books. Thomas, E. K., & Carpenter, B. H. (Eds.),
Mass Media in 2025 Industries, Organizations, People, and Nations.
(pp. 5-14).
Greenwood Press.