↑ Rothaermel, F. T., & Sugiyama, S. (2001). Virtual internet communities and commercial success: individual and community-level theory grounded in the atypical case of timezone.com. Journal of Management, 27(297), Retrieved from http://jom.sagepub.com/content/27/3/297 doi: 10.1177/014920630102700305
↑ Smith, M. A., & Kollock, P. (1999). Communities in cyberspace. New York, New York: Routledge.
