1.		Awards for improving the coastal environment: the example of the blue flag / coord. Aloisi de Larderel, Peter Shackleford, Jan Eriksen, Lene Andersen Data Publicação: 1996 Co col. autor: United Nations OMT FEEE
2.		Tourism taxation: striking a fair deal / World Tourism Organization Data Publicação: 1998 Col.autor: OMT
3.		La fiscalité du tourisme: parvenir à un traitement équitable / Organisation Mondiale du Tourisme Data Publicação: 1998 Col.autor: OMT
4.		Tourism to benefit from single european currency : Euro zone will outperform USA / Organização Mundial do Turismo Col.autor: OMT