Clifford, C. (2013). Let's close a deal: Turn contacts into paying customers for your company, product, service or cause. Hoboken: New Jersey Wiley.
Chicago Style aipamenaClifford, Christine. Let's Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. Hoboken: New Jersey Wiley, 2013.
MLA aipamenaClifford, Christine. Let's Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. Hoboken: New Jersey Wiley, 2013.
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