Robichaud, B., Muscat, E. J., & Hall, A. (1989). Introduction to information processing (4th ed.). McGraw-Hill Book Co.
Chicago-viite (17. p.)Robichaud, Beryl, Eugene J. Muscat, ja Alix-Marie Hall. Introduction to Information Processing. 4th ed. New York: McGraw-Hill Book Co, 1989.
MLA-viite (9. p.)Robichaud, Beryl, et al. Introduction to Information Processing. 4th ed. McGraw-Hill Book Co, 1989.
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