Zaltman Gerald. (2003). How Customers Think: Essential insights into the mind of the market. HBSP.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZaltman Gerald. How Customers Think: Essential Insights into the Mind of the Market. USA: HBSP, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZaltman Gerald. How Customers Think: Essential Insights into the Mind of the Market. HBSP, 2003.
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