Cornes, R. (1989). System analysis for profitable business applications. Prentice-Hall.
Chicago-viite (17. p.)Cornes, Ralph. System Analysis for Profitable Business Applications. New York: Prentice-Hall, 1989.
MLA-viite (9. p.)Cornes, Ralph. System Analysis for Profitable Business Applications. Prentice-Hall, 1989.
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