Não informado. (1977). Journal of the American Institute for Conservation. American Institute for Conservation of Historic and Artistic Works.
Chicago-referens (17:e uppl.)Não informado. Journal of the American Institute for Conservation. Washington: American Institute for Conservation of Historic and Artistic Works, 1977.
MLA-referens (8:e uppl.)Não informado. Journal of the American Institute for Conservation. American Institute for Conservation of Historic and Artistic Works, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.