Clifford, C. (2013). Let's close a deal: Turn contacts into paying customers for your company, product, service or cause. Hoboken: New Jersey Wiley.
Citação norma ChicagoClifford, Christine. Let's Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. Hoboken: New Jersey Wiley, 2013.
Citação norma MLAClifford, Christine. Let's Close a Deal: Turn Contacts Into Paying Customers for Your Company, Product, Service or Cause. Hoboken: New Jersey Wiley, 2013.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.