Παραπομπή APA
European Commission. (2004). Early warning system for identifying declining tourist destinations, and preventive best practices. Luxembourg: Office of Official Publications for the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Early Warning System for Identifying Declining Tourist Destinations, and Preventive Best Practices. Luxembourg: Office of Official Publications for the European Communities, 2004.
Παραπομπή MLAEuropean Commission. Early Warning System for Identifying Declining Tourist Destinations, and Preventive Best Practices. Luxembourg: Office of Official Publications for the European Communities, 2004.
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