1. Ruby: a gem of a language.
http://www.ruby-lang.org
.
2. Simplicissimus.
http://www.cs.rpi.edu/research/gpg/Simplicissimus
.
3. ANSI-ISO-IEC. C++ Standard, ISO/IEC 14882:1998, ANSI standards for information technology edition, 1998.
4. K. Arnold and J. Gosling. The Java Programming Language. Addison-Wesley, Reading, MA, 1998.
5. J. J. Barton and L. R. Nackman. Scientific and Engineering C++: An introduction with advanced techniques and examples. Addison-Wesley, 1994.