.Lorents, A. C., .Morgan, J. N., & .Lorents, A. C. (1998). Database systems: Concepts, management, and applications. Dryden Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र.Lorents, Alden C., James N. .Morgan, और Alden C. .Lorents. Database Systems: Concepts, Management, and Applications. Fort Worth: Dryden Press, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्र.Lorents, Alden C., et al. Database Systems: Concepts, Management, and Applications. Dryden Press, 1998.
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