- (2009)
- impresso Zeitschrift für Zeitschriftenmacher (2009)
- HNA (December 2011)
- Acquisa (Dezember 2011)
- (November 2011)
- (March 2011)
- (2011)
- Social Media Magazin 2011(3):40-42 (2011)
- Praxishandbuch Social Media in Verbänden Grundlagen - Praxiswissen - Fallbeispiele, Deutsche Gesellschaft für Verbandsmanagement e.V. DGVM, Bonn, (June 2011)
- (2011)
- (Mai 2011)
- (March 2011)
- (2010)
- Journal of Marketing Management 3-4(27):225-242 (2011)
- (March 2010)
- Corporate Reputation Review 13(1):20 - 37 (2010)
- Proceedins of the 34th Annual Conference of the German Classification Society, Berlin, Springer, (forthcoming)
- Operations Research Proceedings 2008, page 419 - 424. Berlin, Springer, (2009)
- Consumer Citizenship Network: Making a Difference - Putting Consumer Citizenship into Action, page 163 -- 177. Berlin, The Consumer Citizenship Network, an Erasmus thematic network of educators and researchers, (2009)
- (2009)


user