1.		Tourism reassessed : blight or blessing? / Frances Brow Autor: Brown, Frances Data Publicação: 1998
2.		WTO,JTA - technical seminar on Asian experiences in tourism development partnership, Kyoto, Japan, 19 February 1998 / World Tourism Organization Data Publicação: 1998 Col.autor: WTO. Japan
3.		Guide for local authorities on developing sustainable tourism / World Tourism Organization Data Publicação: 1998 Col.autor: OMT
4.		Guide à l'intention des autorités locales: développement durable du tourisme / Organisation Mondiale du Tourisme Data Publicação: 1998 Col.autor: OMT