Hughes, M. (2008). Buzzmarketing: Get people to talk about your stuff. Portfolio.
Citazione stile Chigago Style (17a edizione)Hughes, Mark. Buzzmarketing: Get People to Talk About Your Stuff. New York, New York: Portfolio, 2008.
Citatione MLA (9a ed.)Hughes, Mark. Buzzmarketing: Get People to Talk About Your Stuff. Portfolio, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.