1. http://www.occ.gov/publications/publications-by-type/comptrollers-handbook/mis.pdf
2. O’Brien, J (1999). Management Information Systems – Managing Information Technology in the Internetworked Enterprise. Boston: Irwin McGraw-Hill. ISBN 0-07-112373-3.
3. Lucey, Terry (2005). Management Information Systems. London: Thomson. p. 336. ISBN 978-1-84480-126-8.
4. Laudon, Kenneth C.; Laudon, Jane P. (2009). Management Information Systems: Managing the Digital Firm (11 ed.). Prentice Hall/CourseSmart. p. 164.
5. Transaction processing systems (TPS) collect and record the routine transactions of an organization. Examples of such systems are sales order entry, hotel reservations, payroll, employee record keeping, and shipping.
6. Bidgoli, Hossein, (2004). The Internet Encyclopedia, Volume 1, John Wiley & Sons, Inc. p. 707.
7. Pant, S., Hsu, C., (1995), Strategic Information Systems Planning: A Review, Information Resources Management Association International Conference, May 21–24, Atlanta.