DAVIS, K. (1983). Better Business Writing: A Process Approach Ken Davis. Charles E. Merrill Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDAVIS, Ken. Better Business Writing: A Process Approach Ken Davis. Charles E. Merrill Publishing, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDAVIS, Ken. Better Business Writing: A Process Approach Ken Davis. Charles E. Merrill Publishing, 1983.
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