Vaynerchuk, G. (2009). Crush it!: Why now is the time to cash in on your passion. HarperStudio.
Cita Chicago Style (17a ed.)Vaynerchuk, Gary. Crush It!: Why Now Is the Time to Cash in on Your Passion. [New York]: HarperStudio, 2009.
Cita MLA (8a ed.)Vaynerchuk, Gary. Crush It!: Why Now Is the Time to Cash in on Your Passion. HarperStudio, 2009.
Precaución: Estas citas no son 100% exactas.