- Электронная книгаPerfect Phrases for the Sales Call, Second EditionJeb Brooks
- Электронная книгаHow to Sell at Margins Higher Than Your CompetitorsWilliam T. Brooks
- Электронная книгаThe New Science of Selling and PersuasionWilliam T. Brooks
- Электронная книгаSales TechniquesWilliam T. Brooks
- Электронная книгаThe Complete Book of Perfect Phrases for High-Performing Sales ProfessionalsRobert Bacal
- Электронная книгаPlaying Bigger Than You AreWilliam T. Brooks