Lazarsfeld, P. F. (1940). Radio and the printed page: An introduction to the study of radio and its role in the communication od ideas (2. Aufl.). Duell, Sloan and Pearce.
Chicago-referens (17:e uppl.)Lazarsfeld, Paul F. Radio and the Printed Page: An Introduction to the Study of Radio and Its Role in the Communication Od Ideas. 2. Aufl. New York: Duell, Sloan and Pearce, 1940.
MLA-referens (8:e uppl.)Lazarsfeld, Paul F. Radio and the Printed Page: An Introduction to the Study of Radio and Its Role in the Communication Od Ideas. 2. Aufl. Duell, Sloan and Pearce, 1940.
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