Shea, M. (1998). The primacy effect: The ultimate guide to effective personal communications. Orion Business Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. London: Orion Business Books, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. Orion Business Books, 1998.
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