[Brooks75] Brooks, Frederick, The Mythical Man-Month, Addison-Wesley, 1975.
[Ceruzzi00] Cerruzi , Paul, A History of Modern Computing, MIT Press, 2000.
[Ceruzzi01] Cerruzi Paul, personal communication, 2001.
[Campbell-Kelly03] Campbell-Kelly, Martin, From Airline Reservations to Sonic the Hedgehog: A History of the Software Industry , MIT Press, 2003.
[McConnell96] McConnell, Steve, Rapid Development: Taming Wild Software Schedules, Microsoft Press, 1996.
Head, Robert V., Getting SABRE off the Ground, IEEE Annals of the History of Computing (2002): pp. 32 “39.
Kemerer, Chris F., Software Project Management: Readings and Cases , Irwin, 1997.
Kotler, Philip, and Armstrong, Gary, Principles of Marketing, Prentice Hall, 2002.