APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Vee, Jimmy, Travis Miller, en Joel Bauer. Gravitational Marketing: The Science of Attracting Customers. Hoboken, N.J.: John Wiley & Sons, 2008.

MLA (8e ed.) Bronvermelding

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