Vaynerchuk, G. (2011). The thank you economy. New York: Harper Business.
Čikaški stil citiranjaVaynerchuk, Gary. The Thank You Economy. New York: Harper Business, 2011.
MLA način citiranjaVaynerchuk, Gary. The Thank You Economy. New York: Harper Business, 2011.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.