The National Opinion Research Center. (1948). Radio listening in America: The people look at radio-again ; report on a survey / analyzed and interpreted by Paul F. Lazarsfeld and Patricia L. Kendvall. Prentice-Hall.

The National Opinion Research Center. Radio Listening in America: The People Look at Radio-again ; Report on a Survey / Analyzed and Interpreted by Paul F. Lazarsfeld and Patricia L. Kendvall. New York: Prentice-Hall, 1948.

The National Opinion Research Center. Radio Listening in America: The People Look at Radio-again ; Report on a Survey / Analyzed and Interpreted by Paul F. Lazarsfeld and Patricia L. Kendvall. Prentice-Hall, 1948.