Visitor spending effects: assessing and showcasing America's investment in national parks / Lynne Koontz [et al.]
Global Report on Shopping Tourism / World Tourism Organization (UNWTO)
An analysis of monetary voluntary contributions for cultural resources: the case of the British Museum / Alexandros Apostolakis, Shabbar Jaffry
The contribution of Tourism to the socio-economic recovery of areas in decline : Declaration of Cordoba / Juan Mendoza
O turismo no Portugal de hoje / Instituto de Promoção Turística