Editions 2
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | The Peter Principle: Why Things Always Go Wrong | William Morrow and Company, Inc. | Hardback | English | New York | 1969 | |
 | The Peter Principle | Bantam Books | Soft cover | English | USA | 1976 |