Padgham, C. A., & Saunders, J. E. (1975). The perception of light and colour. Bell.
Lua i Stíl Chicago (17ú heag.)Padgham, C. A., agus John E. Saunders. The Perception of Light and Colour. London: Bell, 1975.
Lua MLA (9ú heag.)Padgham, C. A., agus John E. Saunders. The Perception of Light and Colour. Bell, 1975.
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