1. Alexander, C. (1979). The Timeless Way of Building. Oxford, UK: Oxford University Press.
2. Alexander, C., Ishikawa, S., Silverstein, M., Jacobson, M., Fiksdahl-King, I., & Angel, S. (1977). A Pattern Language: Towns, Buildings, Construction. New York: Oxford University Press.
3. Avgeriou, P., Papasalouros, A., Retalis, S., & Skordalakis, E. (2003). Towards a pattern language for learning management systems. Educational Technology & Society, 6(2), 11–24.
4. Beamish, A. (1995). Communities On-Line: Community-Based Computer Networks. Masters Thesis, Department of Urban Studies and Planning, MIT.
5. Bellah, R., Madsen, R., Sullivan, W., Swindler, A., & Tipton, S. (1986). Habits of the Heart: Individualism and Commitment in American Life. Berkeley, CA: University of California Press.