(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 Yougoslavia. German Commission for UNESCO.
Чикаго стиль цитування (17-те видання)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 Yougoslavia. Bonn: German Commission for UNESCO, 1980.
Стиль цитування MLA (9-ме видання)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 Yougoslavia. German Commission for UNESCO, 1980.