クリフ・ショー
↑ John Clifford Shaw Papers accessed March 14, 2012
↑ Wexelblat, Richard L., ed (1981). History of Programming Languages. New York: Academic Press. ISBN 0-12-745040-8
↑ Sammet, Jean E. (1969). Programming Languages: History and Fundamentals. Englewood Cliffs, New Jersey: Prentice Hall. ISBN 0-13-729988-5