Kent Beck. Extreme Programming Explained: Embrace Change. Addison-Wesley, Reading, Massachusetts, 2000. ISBN 201-61641-6
James Gosling, et. al. The Java Language Specification, Second Edition. Addison-Wesley, Boston, Massachusetts. ISBN: 0-201-31008-2
David Flanagan. Java In A Nutshell: A Desktop Quick Reference. Fourth Edition. O Reilly & Associates, Sebastopol, CA. ISBN: 0-596-00283-1
Daniel Goleman. Emotional Intelligence: Why it can matter more than IQ. Bantam Books, New York, NY. ISBN: 0-553-37506-7