एपीए उद्धरण

Vaynerchuk, G. (2011). The thank you economy. New York: Harper Business.

शिकागो स्टाइल उद्धरण

Vaynerchuk, Gary. The Thank You Economy. New York: Harper Business, 2011.

एमएलए उद्धरण

Vaynerchuk, Gary. The Thank You Economy. New York: Harper Business, 2011.