Bates, T. (2011). Understanding Web 2.0 and its Implications for E-learning. In M. J. W. Lee & C. McLoughlin (Eds.), Web 2.0-Based E-Learning: Applying Social Informatics for Tertiary Teaching (pp. 21-42). New York: Information Science Reference.
Harasim, L. (2011). Learning Theory and Online Technologies. Abingdon, Oxon: Routledge.
Sisti, F. (Ed.). (2009). CLIL Methodology in University Instruction: Online and in the Classroom. An Emerging framework (Part I). Perugia: Guerra Edizioni.