1.		The future of city tourism in Europe, Coimbra - Portugal, 19-20 May 2005 / World Tourism Organization Data Publicação: 2005 Col.autor: OMT COTA(S): 10753; 10753-a; 10753-A
2.		Australia - the Asia and the Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT COTA(S): 11625.01
3.		Hong Kong - the Asia and Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT COTA(S): 11625.02
4.		Thailand - the Asia and Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT COTA(S): 11625.03
5.		India - the Asia and Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT COTA(S): 11625.04
6.		Japan - the Asia and Pacific intra-regional outbound series / World Tourism Organization Col.autor: OMT COTA(S): 11625.05
7.		China - the Asia and Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT COTA(S): 11625.06