Walton, D. (1989). Are you communicating: You can't manage without it [sound recording]. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalton, Donald. Are You Communicating: You Can't Manage Without It [sound Recording]. New York: McGraw-Hill, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalton, Donald. Are You Communicating: You Can't Manage Without It [sound Recording]. McGraw-Hill, 1989.
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