Não informado. (2002). Conservation News. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group.
Chicago-referens (17:e uppl.)Não informado. Conservation News. London: International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
MLA-referens (8:e uppl.)Não informado. Conservation News. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.