Edwards, P. (1993). Systems analysis & design. Mitchell McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEdwards, Perry. Systems Analysis & Design. New York: Mitchell McGraw-Hill, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEdwards, Perry. Systems Analysis & Design. Mitchell McGraw-Hill, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.