LEE, B. (1985). Introducing Systems Analysis And Design Barry Lee. John Wiley & Sons.
Čikaški stil citiranja (17. izdanje)LEE, Barry. Introducing Systems Analysis And Design Barry Lee. John Wiley & Sons, 1985.
MLA način citiranja (8. izdanje)LEE, Barry. Introducing Systems Analysis And Design Barry Lee. John Wiley & Sons, 1985.
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