| svenska | swe-000 |
| C. Northcote Parkinson | |
| čeština | ces-000 | Cyril Northcote Parkinson |
| dansk | dan-000 | Cyril Northcote Parkinson |
| Deutsch | deu-000 | Cyril Northcote Parkinson |
| eesti | ekk-000 | C. Northcote Parkinson |
| English | eng-000 | C. Northcote Parkinson |
| עברית | heb-000 | נורת׳קוט פרקינסון |
| polski | pol-000 | Cyril Northcote Parkinson |
| português | por-000 | Cyril Northcote Parkinson |
| slovenčina | slk-000 | Cyril Northcote Parkinson |
| español | spa-000 | Cyril Northcote Parkinson |