O'Brien, J. A. (1988). Information systems in business management: With software and BASIC tutorials (5th ed.). Irwin.
Chicago Style (17th ed.) CitationO'Brien, James A. Information Systems in Business Management: With Software and BASIC Tutorials. 5th ed. Homewood, Ill: Irwin, 1988.
MLA citiranjeO'Brien, James A. Information Systems in Business Management: With Software and BASIC Tutorials. 5th ed. Irwin, 1988.
Opozorilo: Ti citati niso vedno 100% točni.