Cita APA (7th ed.)

Shelly, G. B., Cashman, T. J., & Rosenblatt , H. J. Systems Analysis and Design (4th ed.).

Cita Chicago (17th ed.)

Shelly, Gary B., Thomas J. Cashman, i Harry J. Rosenblatt. Systems Analysis and Design. 4th ed. THOMSON.

Cita MLA (9th ed.)

Shelly, Gary B., et al. Systems Analysis and Design. 4th ed.