Não informado. (1952). Studies in conservation. International Institute for the Conservation of Historic and Artistic.
Citação do estilo Chicago (17ª ed.)Não informado. Studies in Conservation. London: International Institute for the Conservation of Historic and Artistic, 1952.
Citação MLA (8ª ed.)Não informado. Studies in Conservation. International Institute for the Conservation of Historic and Artistic, 1952.
警告：这些引文格式不一定是100％准确.