1. Biesterfeldt, J.: Managing International Research Vendors. In: 2008 Conference Proceedings. Bloomingdale, IL, UPA (2008)
2. Capra, M.G.: Usability Problem Description and the Evaluator Effect in Usability Testing. Unpublished dissertation. Virginia Tech, Blacksburg, VA (2006),
http://scholar.lib.vt.edu/theses/available/etd-03222006-201913/
3. Dray, S., Siegel, D.: Sunday in Shanghai, Monday in Madrid?! Key Issues and Decisions in Planning International User Studies. In: Aykin, N. (ed.) Usability and Internationalization of Information Technology. Lawrence Erlbaum, New Jersey (2005)
4. Gillham, R., Biesterfeldt, J., Thalmeier, S., Fuchs, F., Shang, T., Sabena, E.: Guidelines for Successful Recruitment in International Usability Studies. In: Valone, D., Page, B. (eds.) 2007 Conference Proceedings CD, Bloomingdale, UPA (2007)
5. Gorlenko, L., Krause, S.: Managing International Usability Projects: Cooperative Strategy. In: Grinter, R., Rodden, T., Aoki, P.l., Cutrell, E., Jeffries, R. (eds.) Proceedings of ACM CHI 2006 Conference on Human Factors in Computing Systems, pp. 159–164. ACM, New York (2006)