Badziag, RafaelCasso, PaulinaCencini, AmedeoClark, DavidDíaz Barriga, ÁngelGary M DouglasHarvard Business ReviewHill, NapoleonHoliday, RyanKantrowitz, AlexKishimoto, MasashiKiyosaki, Robert T.Manzanera Escribano, AntonioMeyer, ErinParkin, MichaelPiaget, JeanPierre GrimalReyes, NicolásVarios autoresVV. AA.