BALTZAN. (2018). Information Systems 4th ed/ Baltzan. Mc GrawHill.
Čikaški stil citiranja (17. izdanje)BALTZAN. Information Systems 4th Ed/ Baltzan. Mc GrawHill, 2018.
MLA način citiranja (8. izdanje)BALTZAN. Information Systems 4th Ed/ Baltzan. Mc GrawHill, 2018.
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