Riis, R. W., & Bonner, C. W. (1926). Publicity: A study of the development of industrial news. J. H. Sears & company, inc.
Lua i Stíl Chicago (17ú heag.)Riis, Roger William, agus Charles William Bonner. Publicity: A Study of the Development of Industrial News. New York: J. H. Sears & company, inc, 1926.
Lua MLA (8ú heag.)Riis, Roger William, agus Charles William Bonner. Publicity: A Study of the Development of Industrial News. J. H. Sears & company, inc, 1926.
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