"Diskussion" Museologie. Berlin, Boston: DE GRUYTER, 1973. 116-116. Web. Retrieved 24 May. 2013, from http://www.degruyter.com/view/books/9783111557182/9783111557182.116/9783111557182.116.xml

Diskussion (1973). Museologie (pp. 116-116). Berlin, Boston: DE GRUYTER. Retrieved 24 May. 2013, from http://www.degruyter.com/view/books/9783111557182/9783111557182.116/9783111557182.116.xml

Diskussion. 1973. In Museologie, 116-116. Berlin, Boston: DE GRUYTER. Retrieved 24 May. 2013, from http://www.degruyter.com/view/books/9783111557182/9783111557182.116/9783111557182.116.xml