(en) Mark Joyella, « New and Old Political Media Are Battling for Dominance in the Century's Wildest Election », Adweek, (ISSN0199-2864, lire en ligne).
(en) Mark Joyella, « New and Old Political Media Are Battling for Dominance in the Century's Wildest Election », Adweek, (ISSN0199-2864, lire en ligne).