Johannes, B., P., J., P. et al.(1971).Physical Aspects of Colour : An Introduction to the Scientific Study Of Colour Stimuli and Colour (2nd ed).Netherlands:Philips Technical Library, Machmillan and Co.Ltd.
Gaya MLA
Johannes, B., P., J., P. et al..Physical Aspects of Colour : An Introduction to the Scientific Study Of Colour Stimuli and Colour.2nd edNetherlands:Philips Technical Library, Machmillan and Co.Ltd,1971.Text.