1. Thomas, D., Fowler, C., and Hunt, A.: ‘Programming ruby’, 2nd edn.(Pragmatic Bookshelf 2004)
2. Thomas, D., Hansson, D.H., Schwarz, A., Fuchs, T., Breed, L., and Clark, M.: ‘Agile web development with rails. A pragmatic guide’, (Pragmatic Bookshelf 2005)
3. Hunt, A., and Thomas, D.: ‘The pragmatic programmer’, (Addison-Wesley 2000)
4. ‘ECMA-357: ‘ECMAScript for XML (E4X) specification’, 2nd edn.(European Computer Manufacturers Association 2005)
5. Crane, D., Pascarello, E., and James, D.: ‘Ajax in action’, (Manning Publications 2005)