|   | Digital details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-7180-7400-5 ISBN-10: 0-7180-7400-9 | 
| See also (possibly by other authors): | ||
| 2018 | Hardcover | Developing the Leader Within You 2.0 | 
| 2018 | Paperback | Developing The Leader Within You 2.0 |