Lyman, H. H. (1977). Literacy and the nation's libraries. American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLyman, Helen Huguenor. Literacy and the Nation's Libraries. Chicago: American Library Association, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLyman, Helen Huguenor. Literacy and the Nation's Libraries. American Library Association, 1977.
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