Hoffer, J. A., George, J. F., & Valacich, J. S. (1999). Modern systems analysis and design (2nd ed.). Reading, Mass.: Addison-Wesley.
Trích dẫn kiểu ChicagoHoffer, Jeffrey A., Joey F. George, và Joseph S. Valacich. Modern Systems Analysis and Design. 2nd ed. Reading, Mass.: Addison-Wesley, 1999.
Deismireacht MLAHoffer, Jeffrey A., Joey F. George, và Joseph S. Valacich. Modern Systems Analysis and Design. 2nd ed. Reading, Mass.: Addison-Wesley, 1999.
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