APA-viite (7. p.)
Hoffer, J. A. [. a. (2006). Modern systems analysis and design (4th ed.). Pearson.
Chicago-viite (17. p.)
Hoffer, Jeffrey A [at all...]. Modern Systems Analysis and Design. 4th ed. New Delhi: Pearson, 2006.
MLA-viite (9. p.)
Hoffer, Jeffrey A [at all...]. Modern Systems Analysis and Design. 4th ed. Pearson, 2006.
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