Hill, J. S. (1980). Alternatives to the Card Catalog Committee, Northwestern University Library. Interim Report. Review of Recommendations, Status of Developments.
Citazione stile Chigago Style (17a edizione)Hill, Janet Swan. Alternatives to the Card Catalog Committee, Northwestern University Library. Interim Report. Review of Recommendations, Status of Developments. 1980.
Citatione MLA (9a ed.)Hill, Janet Swan. Alternatives to the Card Catalog Committee, Northwestern University Library. Interim Report. Review of Recommendations, Status of Developments. 1980.
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