Weale, R. A. (1974). Theories of light and colour in relation to the history of painting.
Chicago-viite (17. p.)Weale, R. A. Theories of Light and Colour in Relation to the History of Painting. London, 1974.
MLA-viite (8. p.)Weale, R. A. Theories of Light and Colour in Relation to the History of Painting. 1974.
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