Não informado. (2000). IFLA Section of Science and Technology Libraries Newsletter. International Federation of Library Associations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IFLA Section of Science and Technology Libraries Newsletter. The Hague, Holanda: International Federation of Library Associations, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IFLA Section of Science and Technology Libraries Newsletter. International Federation of Library Associations, 2000.
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