Gaya APA

Gitomer, J. (2015). The Verry Little But Very Powerful Book on Closing : Ask The Right Questions, Transfer The Value, Create The Urgency, And Win The Sale (Cet.1). New Jersey: John Wiley & Sons, Inc.

Gaya MLA

Gitomer, Jeffrey. "The Verry Little But Very Powerful Book on Closing : Ask The Right Questions, Transfer The Value, Create The Urgency, And Win The Sale". Cet.1 New Jersey: John Wiley & Sons, Inc, 2015. PASCA-ILMU PEMERINTAHAN.