Hoffer, J. A., George, J. F., & Valacich, J. S. (2002). Modern systems analysis and design (Third edition.). Prentice Hall ; Pearson Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoffer, Jeffrey A., Joey F. George, और Joseph S. Valacich. Modern Systems Analysis and Design. Third edition. Upper Saddle River, N.J. : New Delhi: Prentice Hall ; Pearson Education, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoffer, Jeffrey A., et al. Modern Systems Analysis and Design. Third edition. Prentice Hall ; Pearson Education, 2002.
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