BACON, M. S. (1994). Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBACON, Mark S. Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBACON, Mark S. Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons, 1994.
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