Tudor, D. j., & Tudor, I. j. (1997). systems analysis and design: A comparison of structured methods. Macmillan.
Chicago-referens (17:e uppl.)Tudor, Dorothy j., och Ian j. Tudor. Systems Analysis and Design: A Comparison of Structured Methods. oxford: Macmillan, 1997.
MLA-referens (9:e uppl.)Tudor, Dorothy j., och Ian j. Tudor. Systems Analysis and Design: A Comparison of Structured Methods. Macmillan, 1997.