S S · The Sandler Sales Institute
Da Capo Lifelong Books · Nightingale Conant
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Close the Deal: 120 Checklists for Sales Success | 978-0-7382-0038-5 (0-7382-0038-7) | 1998 | Sam Deep · Lyle Sussman |
| Close the Deal by The Sandler Sales Institute | 978-1-905453-93-1 (1-905453-93-0) | 2000 | |