Christie, M. &. W. L. (1994). British drawings and watercolours: Tuesday, 12 July 1994. Christie's.
Cita Chicago Style (17a ed.)Christie, Manson & Woods Ltd. British Drawings and Watercolours: Tuesday, 12 July 1994. London: Christie's, 1994.
Cita MLA (9a ed.)Christie, Manson & Woods Ltd. British Drawings and Watercolours: Tuesday, 12 July 1994. Christie's, 1994.
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