Protocol: The Complete Handbook of Diplomatic, Official and Social Usage, 25th Anniversary Edition
| Country | USA |
| Brand | Thomas Nelson |
| Manufacturer | Thomas Nelson Inc |
| Binding | Hardcover |
| UnitCount | 1 |
| UPCs | 020049067444 |
| EANs | 0020049067444 |
| ReleaseDate | 0000-00-00 |