Sistema Para Alcanzar El Exito Que Nunca Falla / The Success System That Never Fails W Clement Stone, Clement Stone Innbundet / 2007 / Spansk
Creer y lograr Los 17 principios de W. Clement Stone para lograr el exito Stone, W Clement Heftet / 2014 / Spansk
Success System That Never Fails A Proven Philosophy of Personal Achievement Stone William Clement Heftet / 2009 / Engelsk
