Gaya APA

Vollmer, C., Precourt, G. (2008). Always on : advertising, marketing, and media in a Era of consumer control (-). New York: Mc Graw-Hill.

Gaya MLA

Vollmer, Cristopher., Precourt, Geoffrey. "Always on : advertising, marketing, and media in a Era of consumer control". - New York: Mc Graw-Hill, 2008. Text.