Gentle, M. (2002). The CRM project management handbook: Building realistic expectations and managing risk. Kogan Page.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGentle, Michael. The CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. London: Kogan Page, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGentle, Michael. The CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. Kogan Page, 2002.
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