APA-viite (7. p.)
Oka, M. M. (2010). System analysis and design: A structural approach (14th ed.). Everesr Publishing House.
Chicago-viite (17. p.)
Oka, Mlind M. System Analysis and Design: A Structural Approach. 14th ed. Kolkata: Everesr Publishing House, 2010.
MLA-viite (9. p.)
Oka, Mlind M. System Analysis and Design: A Structural Approach. 14th ed. Everesr Publishing House, 2010.
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