Von Hıppel Eric, Democratizing Innovation, Cambridge (Mass.), The MIT Press, 2005
Von Hıppel Eric, The Sources of Innovation, Oxford University Press, New York, 1988
Media Industries : History, Theory and Method, edited by Jennifer Holt, Alisa Perren, Blackwell Publishing, 2009
Hamılton James T., All The News That’s Fit To Sell, Princeton University Press, USA, 2004.