Cita APA (7th ed.)

Shelly, G. B., Cashman, T. J., & Rosenblatt, H. J. (2008). Systems analysis and design (7th ed.). Thomson.

Cita Chicago (17th ed.)

Shelly, Gary B., Thomas J. Cashman, i Harry J. Rosenblatt. Systems Analysis and Design. 7th ed. Australia: Thomson, 2008.

Cita MLA (9th ed.)

Shelly, Gary B., et al. Systems Analysis and Design. 7th ed. Thomson, 2008.