Cita APA

 Vee, J. (2008).  Gravitational marketing: The science of attracting customers.  John Wiley & Sons.

Chicago Style Citation

 Vee, Jimmy.  Gravitational Marketing: The Science of Attracting Customers.  John Wiley & Sons, 2008.

Cita MLA

 Vee, Jimmy.  Gravitational Marketing: The Science of Attracting Customers.  John Wiley & Sons, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.