Gaya APA

Vollmer, C., Precourt, G. (2008). Always On : Advertising, Marketing and Media in an Era of Consumer Control . New York: McGraw- Hill Company, Inc..

Gaya MLA

Vollmer, Christopher., Precourt, Geoffrey. "Always On : Advertising, Marketing and Media in an Era of Consumer Control". New York: McGraw- Hill Company, Inc., 2008. Hardcopy (Textbook).