Adrián PaenzaAllenAutores, VáriosBoaler, JoCrilly, TonyEdiciones LarousseFriedrich NietzscheGray, MirandaGrof, StanislavHarvard Business ReviewLarousseLexus EditoresNietzsche, FriedrichNo AplicaPaenza AdrianSANTILLANASeiter, CharlesSáenz de Cabezón, EduardoVarios autoresVatsyayanaVV. AA.Wapnick, Kenneth