The evolution in holiday travel facilities and in the flow of tourism inside and outside the european community [[policopiado]] / Tourconsult International, Tourconsult Italy; col. European Travel Data Centre
COTA(S): 71-CEE
Tourism in Europe / European Commission, EUROSTAT, DG XXIII
COTA(S): 7089
Viajar noutro país da União Europeia / Comissão Europeia
COTA(S): 9364
COTA(S): 10614.05