Clifford, C. (2013). Let's close a deal: Turn contacts into paying customers for your company, product, service or cause. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClifford, Christine. Let's Close a Deal: Turn Contacts into Paying Customers for Your Company, Product, Service or Cause. Hoboken, New Jersey: Wiley, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रClifford, Christine. Let's Close a Deal: Turn Contacts into Paying Customers for Your Company, Product, Service or Cause. Wiley, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.