Dossier de informações turísticas do concelho de Oeiras / Câmara Municipal de Oeiras
COTA(S): 7734
Guide for local authorities on developing sustainable tourism / World Tourism Organization
COTA(S): 7083; 7083-a
Guide à l'intention des autorités locales: développement durable du tourisme / Organisation Mondiale du Tourisme
COTA(S): 7083-A; 7083-A-a; 7083-A-b; 7083-A-c
Germany for the Jewish Traveler / German National Tourist Office
COTA(S): 16231