Não informado. (1992). Professional Manager. Institute of Management Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Professional Manager. London: Institute of Management Foundation, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Professional Manager. Institute of Management Foundation, 1992.
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