1. Friedman, R.: The World is Flat: A Brief History of the 21st Century, Farrar, Straus and Giroux (2005)
2. Bhagwati, J.: In Defence of Globalization. Oxford University Press, Oxford (2004)
3. The Challenges of Complex IT Projects: The Royal Academy of Engineering, and British Computer Society (April 2004)
4. Computer Weekly Article (2004)
5. Rumbaugh, J., Booch, G., Jacobsen, I.: The UML Reference Manual. Addison-Wesley, Reading (2004)