The System: The Proven 3-Step Formula Anyone Can Learn to Get More Leads, Book More Appointments, and Make More Sales
| Country | USA |
| Brand | Penguin |
| Manufacturer | Penguin Publishing Group |
| Binding | Paperback |
| ItemPartNumber | new18-05-032016-b0050109 |
| Color | Multicolor |
| ReleaseDate | 1990-03-01 |
| UnitCount | 1 |
| EANs | 9780136891260 |