University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science & Eaton, T. (1959). The Role classification in the modern American library. University of Illinois, Graduate School of Library Science.
Citazione stile Chigago Style (17a edizione)University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science e Thelma Eaton. The Role Classification in the Modern American Library. Champaign, Ill.: University of Illinois, Graduate School of Library Science, 1959.
Citatione MLA (8a ed.)University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science e Thelma Eaton. The Role Classification in the Modern American Library. University of Illinois, Graduate School of Library Science, 1959.
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