American Library Association & Ladenson, A. 1. e. (1973). American library laws + Supplement. 1975. Alex Ladenson, editor. American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Library Association और Alex 1908- ed Ladenson. American Library Laws + Supplement. 1975. Alex Ladenson, Editor. Chicago: American Library Association, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Library Association और Alex 1908- ed Ladenson. American Library Laws + Supplement. 1975. Alex Ladenson, Editor. American Library Association, 1973.
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