Commission of the European Communities. Tourism Unit, Tourconsult International, Tourconsult Italia, & European Travel Centre. (1993). Evolution in holiday travel facilities and in the flow of tourism inside and outside the European Community. Office of the European Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Commission of the European Communities. Tourism Unit, Tourconsult International, Tourconsult Italia, και European Travel Centre. Evolution in Holiday Travel Facilities and in the Flow of Tourism Inside and Outside the European Community. Luxembourg: Office of the European Publications of the European Communities, 1993.
Παραπομπή σε μορφή MLA (9th εκδ.)Commission of the European Communities. Tourism Unit, et al. Evolution in Holiday Travel Facilities and in the Flow of Tourism Inside and Outside the European Community. Office of the European Publications of the European Communities, 1993.