Não informado. (1953). The Assistant Librarian. Association of Assistant Librarian.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Assistant Librarian. Solihull, Inglaterra: Association of Assistant Librarian, 1953.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Assistant Librarian. Association of Assistant Librarian, 1953.
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