Works Cited
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Salus, Peter H., Object Oriented Programming Languages, Macmillan Technical Publishing, 1998.
Steele, Guy L., Common Lisp:The Language, Digital Equipment Corporation, 1990.
Naiditch, David J., Rendezvous with Ada: A Programmer’s Introduction, John Wiley and Sons, 1984.
Watt,David A., Brain A. Wichmann and William Findlay, Ada Language and Methodology, Prentice Hall, 1987.
Clocksin, W.F., and C.S. Mellsih, Programming in Prolog, Springer-Verlag, 1981.
www.cbl.leeds.ac.uk/~paul/prologbook
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