Potenciação dos recursos na óptica do turismo interno [[Policopiado]] / Direcção-Geral do Turismo
Los viajes de los españoles al extranjero en 1987 / Secretaría General de Turismo
Las vacaciones de los españoles en 1992 / Secretaría General de Turismo
Long stay tourism in the southern member states by senior citizens from the northern community countries [[policopiado]] / Deloitte Haskins+Sells
Lazer, férias e turismo na organização do espaço no noroeste de Portugal / Luís Paulo Saldanha Martins
Additional run for the EC market from the danish holiday analysis 1988 [[policopiado]] / Observa A/S
International tourism forecasts to 1999 / by Anthony Edwards
The UK tourism and leisure market : travel trends and spending patterns / by Kevin O'Brien
International tourism forecasts to 2005 / by Anthony Edwards
Loisirs de masse et equipements nouveaux / Pierre Laine