The world cruise ship industry in the 1990s / Tony Peisley
Presentation on tourism trends to the year 2000 and beyond
FEWO 2002 : the holiday home market up the year 2002 in the Mediterranean area and the Alps / Hansruedi Müller, Claudio Luigi Ferrante
International tourism forecasts to 2005 / by Anthony Edwards
Séminaire sur l'évolution du tourisme d'ici à l'an 2000 et au-delà, Seville, 28 sept. 1992 / org. Organisation Mondiale du Tourisme
Tourisme & societé / Arthur Haulot
O investimento turístico em Portugal : uma estimativa para os anos de 1989 e 1990 / Centro Interdisciplinar de Estudos Económicos