K. Zulauf, R. Wagner, и A. Oswald. Proceedings of the 42nd EMAC Conference, Lost in Translation: Marketing in an Interconnected World, Istanbul, (2013)
K. Zulauf, и R. Wagner. Proceedings of the 41st EMAC Conference, Marketing to Citizens: Going beyond Customers and Consumers, стр. 1-7. Lissabon, (2012)
R. Wagner. Praxishandbuch Social Media in Verbänden Grundlagen - Praxiswissen - Fallbeispiele, Deutsche Gesellschaft für Verbandsmanagement e.V. (DGVM), Bonn, (июня 2011)
M. Parwoll, и R. Wagner. Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Studies in Classification, Data Analysis, and Knowledge Organization, стр. 537-544. Berlin, Springer, (2012)
M. Klaus, J. Schwerdtfeger, и R. Wagner. Consumer Citizenship Network: Making a Difference - Putting Consumer Citizenship into Action, стр. 163 -- 177. Berlin, The Consumer Citizenship Network, an Erasmus thematic network of educators and researchers, (2009)
M. Klaus, J. Schwerdtfeger, и R. Wagner. Proceedings of the 38th EMAC Conference, Marketing and the Core Disciplines: Rediscovering References?, Nantes, (2009)