ebrary, Inc, & David, A. (2011). Competitive intelligence and decision problems. ISTE ; John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Amos David. Competitive Intelligence and Decision Problems. London : Hoboken, N.J.: ISTE ; John Wiley & Sons, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Amos David. Competitive Intelligence and Decision Problems. ISTE ; John Wiley & Sons, 2011.
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