Não informado. (2000). Library conservation news. British Library, National Preservation Office.
Style de citation Chicago (17e éd.)Não informado. Library Conservation News. London: British Library, National Preservation Office, 2000.
Style de citation MLA (8e éd.)Não informado. Library Conservation News. British Library, National Preservation Office, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.