1.		Budgets of national tourism administrations : 1994 / World Tourism Organization Data Publicação: 1994 Col.autor: OMT COTA(S): 5499
2.		Recommendations on tourism statistics / United Nations, World Tourism Organization Data Publicação: 1994 Co col. autor: United Nations Co col. autor sec.: OMT COTA(S): 6027.1; 6027.1-a