| 1. | Short Breaks insights / Northern Ireland Tourism BoardCol.autor: Northern Ireland. Tourism Board COTA(S): 12390 |  | |
| 2. | Tratados da CEEData Publicação: [1986] COTA(S): 5710.1; 5710.2 | | |
| 3. | A preliminary study of the Northern Ireland hotel classification scheme as a reflection of customer's needs / Roger J. Callan and Lisa ShentonAutor: Callan, Roger J. Coautor: ; Shenton, Lisa |  | |
| 4. | Northern Ireland / Neil BarrieAutor: Barrie, Neil | | |