APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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