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.

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.

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.