Barden, PhilBarranco Saiz, Francisco JavierBringas, PilarCarmichael, AllenCosta, JoanGarcía Esteban, AliciaGil, CarlosGitomer, JeffreyGodin, SethHoffmann, AlexanderKlaric, JürgenKotler, PhilipLamb, CharlesLindstrom, MartinMarvelMichalowicz, MikeMiller, DonaldOwen, JoPiRobert T. KiyosakiVarios autoresVV. AA.Westwood, JohnÁvila, Clara