APA Style

Gitomer, J. (2015). The Very Little but Very Powerful Book on Closing: Ask the Right Questions, Transfer the Value, Create the Urgency, and Win the Sale . New Jersey: John Wiley & Sons.

MLA Style

Gitomer, Jeffrey. "The Very Little but Very Powerful Book on Closing: Ask the Right Questions, Transfer the Value, Create the Urgency, and Win the Sale". New Jersey: John Wiley & Sons, 2015. Manajemen.