FERNÁNDEZ GÓMEZ, Jorge David; BERENGUEL FERNÁNDEZ, José; MACARRO TOMILLO, Antonio. 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, Piura, Perú., v. 21, n. 2, p. 135–156, 2022. DOI: 10.26441/RC21.2-2022-A7. Disponível em: https://revistadecomunicacion.com/article/view/2926. Acesso em: 4 feb. 2026.