(1948). Descriptive list of professional and nonprofessional duties in libraries: Preliminary draft / Prepared by the Subcommittee on Analysis of Library Duties of the A.L.A. Board on Personnel Administration.
Citazione stile Chigago Style (17a edizione)Descriptive List of Professional and Nonprofessional Duties in Libraries: Preliminary Draft / Prepared by the Subcommittee on Analysis of Library Duties of the A.L.A. Board on Personnel Administration. 1948.
Citatione MLA (9a ed.)Descriptive List of Professional and Nonprofessional Duties in Libraries: Preliminary Draft / Prepared by the Subcommittee on Analysis of Library Duties of the A.L.A. Board on Personnel Administration. 1948.
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