(1926). Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLibrary Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. Chicago: American Library Association, 1926.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLibrary Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association, 1926.
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