Não informado. (1983). Training and Education. Library Association, Training and Education Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Training and Education. London: Library Association, Training and Education Group, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Training and Education. Library Association, Training and Education Group, 1983.
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