Hawryszkiewycz, I. T. (2002). Introduction to systems analysis and design (3rd ed.). Prentice Hall of India.
Chicago-viite (17. p.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 3rd ed. New Delhi: Prentice Hall of India, 2002.
MLA-viite (9. p.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 3rd ed. Prentice Hall of India, 2002.
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