Não informado. (1952). Studies in conservation. International Institute for the Conservation of Historic and Artistic.
Chicago-Zitierstil (17. Ausg.)Não informado. Studies in Conservation. London: International Institute for the Conservation of Historic and Artistic, 1952.
MLA-Zitierstil (8. Ausg.)Não informado. Studies in Conservation. International Institute for the Conservation of Historic and Artistic, 1952.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.