Waldron, G. (1949). The Information film: A report of the Public Library Inquiry [in cooperation with the Twentieth Century Fund]. Columbia Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWaldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. New York: Columbia Univ. Press, 1949.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWaldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. Columbia Univ. Press, 1949.
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