APA aipamena

Berry, S. T., & Waldfogel, J. (1999). Mergers, station entry, and programming variety in radio broadcasting. National Bureau of Economic Research.

Chicago Style aipamena

Berry, Steven T., and Joel Waldfogel. Mergers, Station Entry, and Programming Variety in Radio Broadcasting. Cambridge: National Bureau of Economic Research, 1999.

MLA aipamena

Berry, Steven T., and Joel Waldfogel. Mergers, Station Entry, and Programming Variety in Radio Broadcasting. National Bureau of Economic Research, 1999.