WELLS, W. (1985). Communications In Business Walter Wells. Wadsworth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWELLS, Walter. Communications In Business Walter Wells. Wadsworth, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWELLS, Walter. Communications In Business Walter Wells. Wadsworth, 1985.
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