Gaya APA

Altschuler, M. (2016). Hacking sales : the ultimate playbook and tool guide to building a high velocity sales machine . Hoboken, New Jersey: John Wiley & Sons.

Gaya MLA

Altschuler, Max. "Hacking sales : the ultimate playbook and tool guide to building a high velocity sales machine". Hoboken, New Jersey: John Wiley & Sons, 2016. Text.