U. Bretschneider, M. Gierczak, A. Sonnick, and J. Leimeister. Marktplätze im Umbruch - Digitale Strategien für Services im Mobilen Internet (ISBN: 978-3-662-43782-7), Springer Vieweg, Wiesbaden, (2015)
A. Hupe, U. Bretschneider, T. Trostmann, and L. Stubbemann. 35th Bled eConference Digital Restructuring and Human (Re)action, page 233-248. Maribor, Slovenia, University of Maribor, University of Maribor Press, (June 2022)
I. Blohm, U. Bretschneider, J. Huber, J. Leimeister, and H. Krcmar. GeNeMe 2009 - Gemeinschaften in neuen Medien: Virtual Enterprises, Communities & Social Networks, Joseph Eul Verlag, Dresden, Germany, 141 (25-09).(2009)
M. Gierczak, U. Bretschneider, P. Haas, I. Blohm, and J. Leimeister. Crowdfunding in Europe – State of The Art in Theory And Practice; FGF Studies in Small Business and Entrepreneurship, Springer Science + Business Media, Cham, (2015)