Clifford, C. (2013). Let''s close a deal: Turn contacts into paying customers for your company, product, service or cause. John Wiley & Sons.
Chicago-стиль цитированияClifford, Christine. Let''s Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. John Wiley & Sons, 2013.
MLA-цитированиеClifford, Christine. Let''s Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. John Wiley & Sons, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.