user- impresso Zeitschrift für Zeitschriftenmacher (2009)
- Acquisa (Dezember 2011)
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- 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)
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- Journal of Marketing Management 3-4(27):225-242 (2011)
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- 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)
- Proceedings of the 38th EMAC Conference, Marketing and the Core Disciplines: Rediscovering References?, Nantes, (2009)
- Classification as a Tool for Research, page 553-560. Berlin, Springer, (2010)
- Proceedings of Australia \& New Zealand Marketing Academy 2010 Conference, Christchurch New Zealand, Department of Management, University of Canterbury, (2010)
- Aging Society and its Implications on Service Marketing Approaches in the Hospitality, Tourism and Transport, Bock, Bad Honnef, (2011)
- Universität Kassel, (2010)
- Proceedings of 4th International Biennale on Commercial Negotiation, Paris, (2010)
- Building Bridges connects People, Maastricht, 17th International Colloquium in Relationship Marketing, (2009)
- Green Consumerism, 6, SAGE Publications, (2011)
