Berke, C. (1996). Entrepreneur magazine: Successful advertising for small businesses. John Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. New York: John Wiley, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerke, Conrad. Entrepreneur Magazine: Successful Advertising for Small Businesses. John Wiley, 1996.
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