1.		A briefing meeting to discuss the proposed EC directive on distance selling held AT ABTA / ABTA - Association of British Travel Agents Data Publicação: 1994 Col.autor: ABTA - Association of British Travel Agents
2.		The 1988 holiday survey: an independent survey into customer satisfaction with package holidays / ABTA - Association of British Travel Agents Data Publicação: 1988 Col.autor: ABTA - Association of British Travel Agents