Mette Norgaard. (2005). The Ugly Duckling Goes To Work. AMACOM,American Management Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMette Norgaard. The Ugly Duckling Goes To Work. USA: AMACOM,American Management Association, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMette Norgaard. The Ugly Duckling Goes To Work. AMACOM,American Management Association, 2005.
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