Riggs, D. E. (1988). Libraries in the '90s: What the leaders expect. Oryx Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRiggs, Donald E. Libraries in the '90s: What the Leaders Expect. Phoenix, Ariz: Oryx Press, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRiggs, Donald E. Libraries in the '90s: What the Leaders Expect. Oryx Press, 1988.
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