Walter, R. K. (1986). Introduction to data management and file design. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalter, R. Kenneth. Introduction to Data Management and File Design. Englewood Cliffs, N.J: Prentice-Hall, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalter, R. Kenneth. Introduction to Data Management and File Design. Prentice-Hall, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.