(1980). Protection and cultural animation of monuments, sites and historic towns in Europe: The present situation in Belgium, Bulgaria, Canada, the Federal Republic of Germany, France, Greece, Hungary, Italy, the Netherlands, Poland, the United Kingdom, and Yugoslavia. Bonn: German Commission for UNESCO.
Παραπομπή Chicago StyleProtection and Cultural Animation of Monuments, Sites and Historic Towns in Europe: The Present Situation in Belgium, Bulgaria, Canada, the Federal Republic of Germany, France, Greece, Hungary, Italy, the Netherlands, Poland, the United Kingdom, and Yugoslavia. Bonn: German Commission for UNESCO, 1980.
Παραπομπή MLAProtection and Cultural Animation of Monuments, Sites and Historic Towns in Europe: The Present Situation in Belgium, Bulgaria, Canada, the Federal Republic of Germany, France, Greece, Hungary, Italy, the Netherlands, Poland, the United Kingdom, and Yugoslavia. Bonn: German Commission for UNESCO, 1980.