Shelly, G. B., & Gary B. Shelly; Thomas J. Cashman; Harry J. Rosenblatt. (2008). Systems analysis and design. Boston, MA: Thomson Course Technology.
Παραπομπή Chicago StyleShelly, Gary B., και Gary B. Shelly; Thomas J. Cashman; Harry J. Rosenblatt. Systems Analysis and Design. Boston, MA: Thomson Course Technology, 2008.
Παραπομπή MLAShelly, Gary B., και Gary B. Shelly; Thomas J. Cashman; Harry J. Rosenblatt. Systems Analysis and Design. Boston, MA: Thomson Course Technology, 2008.
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