- Libro electrónicoPerfect Phrases for the Sales Call, Second EditionJeb Brooks
- Libro electrónicoHow to Sell at Margins Higher Than Your CompetitorsWilliam T. Brooks
- Libro electrónicoThe New Science of Selling and PersuasionWilliam T. Brooks
- Libro electrónicoSales TechniquesWilliam T. Brooks
- Libro electrónicoThe Complete Book of Perfect Phrases for High-Performing Sales ProfessionalsRobert Bacal
- Libro electrónicoPlaying Bigger Than You AreWilliam T. Brooks