.Norman, R. J. (1996). Object-oriented systems analysis and design. Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र.Norman, Ronald J. Object-oriented Systems Analysis and Design. Upper Saddle River, NJ: Prentice Hall, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्र.Norman, Ronald J. Object-oriented Systems Analysis and Design. Prentice Hall, 1996.