| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Jak byc dobrym szefem | Hardcover | 978-83-7818-560-4 | 2014 |
| What to Do When You Become the Boss: How New Managers Become Successful Managers | Paperback | 978-0-7553-6162-5 | 2010 |
| What to Do When You Become the Boss: How New Managers Become Successful Managers | Hardcover | 978-1-4327-0959-4 | 2007 |
| What to Do When You Become the Boss: How New Managers Become Successful Managers | Paperback | 978-1-4327-1428-4 | 2007 |
Headline · Outskirts Press · Rebis