H. Bieling. Theorien der Internationalen Beziehungen, Barbara Budrich, Opladen & Farmington Hills, MI, 3., überarbeitete und aktualisierte edition, (2010)
A. Ravenscroft, A. Schmidt, and J. Cook. First Workshop on Motivational and Affective Aspects in Technology-Enhanced Learning, ECTEL 2010, Barcelona, September 28, 2010, (2010)
A. Ravenscroft, T. Boyle, J. Cook, and A. Schmidt. Sustaining TEL: From Innovation to Learning and Practice 5th European Conference on Technology Enhanced Learning, EC-TEL 2010, Barcelona, Spain, September 28 - October 1, 2010. Proceedings, volume 6383 of Lecture Notes in Computer Science, page 578-583. Springer, (2010)
V. Zacharias, S. Braun, and A. Schmidt. Handbook of Research on Web 2.0, 3.0 and X.0: Technologies, Business, and Social Applications, IGI Global, (2009)