Roper, B. W. (1981). Evolving public attitudes toward television and other mass media, 1959-1980. Television Information Office.
Cita Chicago Style (17a ed.)Roper, Burns W. Evolving Public Attitudes Toward Television and Other Mass Media, 1959-1980. New York: Television Information Office, 1981.
Cita MLA (9a ed.)Roper, Burns W. Evolving Public Attitudes Toward Television and Other Mass Media, 1959-1980. Television Information Office, 1981.
Precaución: Estas citas no son 100% exactas.