Freese, T. A. (2010). Sell yourself first: The most critical element in every sales effort. Portfolio Penguin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreese, Thomas A. Sell Yourself First: The Most Critical Element in Every Sales Effort. New York: Portfolio Penguin, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFreese, Thomas A. Sell Yourself First: The Most Critical Element in Every Sales Effort. Portfolio Penguin, 2010.
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