Não informado. (1991). Information Management Report: An international newsletter for information professionals and librarians. Elsevier Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Information Management Report: An International Newsletter for Information Professionals and Librarians. Oxford, Inglaterra: Elsevier Science Publishers, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Information Management Report: An International Newsletter for Information Professionals and Librarians. Elsevier Science Publishers, 1991.
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