1. Berk, E. and Devlin, J. (eds.), 1991. Hypertext/hypermedia handbook. New York: Intertext Publications. 583 p.
2. Berners-Lee, T., 1999. Weaving the Web. The original design and ultimate destiny of the World Wide Web. New York, Harper San Francisco. 226 p.
3. Berners-Lee, T., Hendler, J. and Lassila, O., 2001. The Semantic Web. Scientific American, Vol. 284, No. 5, pp. 28–37.
4. Brusilovsky, P., Stock, O. and Strapparava, C. (eds.), 2002. Adaptive hypermedia and adaptive Web-based systems. Lecture Notes in Computer Science 1892, Berlin, Springer-Verlag. 422p.
5. Burch, R. O., 2001. Effective web design and core communication issues: The missing components in Web-based distance education. Journal of Educational Multimedia and Hypermedia, Vol. 10, No. 4, pp. 357–367.