Gaya APA
Whistman, J. (2016).
The Sales Boss: the real secret to hiring, training, and managing a sales team .
New Jersey:
John Wiley & Sons,Inc..
Gaya MLA
Whistman, Jonathan.
"The Sales Boss: the real secret to hiring, training, and managing a sales team".
New Jersey:
John Wiley & Sons,Inc.,
2016.
Reference.