Ratzan,Lee. (2009). Understanding information systems: What they do and why we need them. Indiana.
Chicago Edition CitationRatzan,Lee. Understanding Information Systems: What They Do and Why We Need Them. New Delhi: Indiana, 2009.
MLA Edition CitationRatzan,Lee. Understanding Information Systems: What They Do and Why We Need Them. Indiana, 2009.
Warning: These citations may not always be 100% accurate.