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| Archangel protocol | New American Library | Tiada | 2001 | 0-451-45827-3 |
| Malaysian Protocol And Correct Forms Of Address | Times Books International | Tiada | 1986 | 9971-65-370-2 |
| Malaysian Protocol And Correct Forms Of Address | Times Books International | Tiada | 2002 | 981-222-410-0 |
| Manual of palace protocol & etiquette | Institute of Diplomacy and Foreign Relations | Tiada | 2006 | 9832220130 |
| Manual protokol dan etiket di istana=Manual of palace protocol and etiquette | | Tiada | 2006 | 983-2220-13-0 |