Hawryszkiewycz, I. T. (1991). Introduction to systems analysis and design (2nd ed.). Prentice-Hall.
Citace podle Chicago (17th ed.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 2nd ed. New York: Prentice-Hall, 1991.
Citace podle MLA (9th ed.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 2nd ed. Prentice-Hall, 1991.
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