Tudor, D. j., & Tudor, I. j. (1997). systems analysis and design: A comparison of structured methods. Macmillan.
Lua i Stíl Chicago (17ú heag.)Tudor, Dorothy j., agus Ian j. Tudor. Systems Analysis and Design: A Comparison of Structured Methods. oxford: Macmillan, 1997.
Lua MLA (9ú heag.)Tudor, Dorothy j., agus Ian j. Tudor. Systems Analysis and Design: A Comparison of Structured Methods. Macmillan, 1997.