Szymanski, R. A. (1991). Computers and application software (2nd ed.). Macmillan Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International Pub. Group.
Citace podle Chicago (17th ed.)Szymanski, Robert A. Computers and Application Software. 2nd ed. New York : Toronto : New York: Macmillan Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International Pub. Group, 1991.
Citace podle MLA (9th ed.)Szymanski, Robert A. Computers and Application Software. 2nd ed. Macmillan Pub. Co. ; Collier Macmillan Canada ; Maxwell Macmillan International Pub. Group, 1991.
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