Fertuck, L. (1995). System analysis & design: With modern methods. Irwin/McGraw-Hill.
Cita Chicago (17th ed.)Fertuck, Len. System Analysis & Design: With Modern Methods. Boston, Mass: Irwin/McGraw-Hill, 1995.
Cita MLA (9th ed.)Fertuck, Len. System Analysis & Design: With Modern Methods. Irwin/McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.