Fernández Gómez, Jorge David, José Berenguel Fernández, and Antonio Macarro Tomillo. “Testimonials, Endorsements and Celebrities in Advertising. An Empirical Study of Advertising Strategies at the Cannes Lions International Festival of Creativity, 2010-2020”. Revista de Comunicación 21, no. 2 (September 8, 2022): 135–156. Accessed February 4, 2026. https://revistadecomunicacion.com/article/view/2926.