Association of Research Libraries. (1990). ARL: A bimonthly newsletter of research library issues and actions. Association of Research Libraries.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAssociation of Research Libraries. ARL: A Bimonthly Newsletter of Research Library Issues and Actions. Washington, DC: Association of Research Libraries, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAssociation of Research Libraries. ARL: A Bimonthly Newsletter of Research Library Issues and Actions. Association of Research Libraries, 1990.
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