La actividad turistica española / AECIT-Asociacíon Española de Expertos Científicos en Turismo
Progress in tourism, recreation and hospitality management : volume 1 / edited by C.P. Cooper
A população e mercado turísticos no Algarve : estratégias de negócios para a dessazonalização / Antónia de Jesus Henriques Correia
Recomendaciones sobre estadísticas de turismo / Organización Mundial del Turismo
Demand elasticities for short-haul versus long-haul tourism / Geoffrey I. Crouch
Recommendations on tourism statistics / United Nations, World Tourism Organization
WTO seminar on "Quality - a challenge for tourism" / Org. Organisation Mondiale du Tourisme