Protocol: The Complete Handbook of Diplomatic, Official and Social Usage, 25th Anniversary Edition
| Country | USA |
| Author | Who's Who |
| Binding | Paperback |
| EAN | 9780713683257 |
| Edition | 22nd |
| ISBN | 0713683252 |
| Label | A&C Black |
| Manufacturer | A&C Black |
| NumberOfItems | 1 |
| NumberOfPages | 240 |
| PublicationDate | 2007-01-31 |
| Publisher | A&C Black |
| ReleaseDate | 2008-06-02 |
| Studio | A&C Black |