Sell., F. v., & Seminar on the Impact of the Changing Media Environment on Public Service Broadcasting in Asia : September 28-29, 1. (2008). European perspectives on the changing media environment and public service programming: The German experience.

Sell., Friedrich-Wilhelm v., و 1995 Seminar on the Impact of the Changing Media Environment on Public Service Broadcasting in Asia : September 28-29. European Perspectives On the Changing Media Environment and Public Service Programming: The German Experience. 2008.

Sell., Friedrich-Wilhelm v., و 1995 Seminar on the Impact of the Changing Media Environment on Public Service Broadcasting in Asia : September 28-29. European Perspectives On the Changing Media Environment and Public Service Programming: The German Experience. 2008.