APA (7th ed.) Zitazioa

Hoffer, J. A., George, J. F., & Valacich, J. S. (1999). Modern systems analysis and design (2a. ed.). Addison-Wesley.

Chicago Style (17th ed.) Zitazioa

Hoffer, Jeffrey A., Joey F. George, eta Joseph S. Valacich. Modern Systems Analysis and Design. 2a. ed. Reading: Addison-Wesley, 1999.

MLA (9th ed.) Zitazioa

Hoffer, Jeffrey A., et al. Modern Systems Analysis and Design. 2a. ed. Addison-Wesley, 1999.