Lovibond, J. W. Light and Colour Theories, and their relation to light and colour standardization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLovibond, Joseph W. Light and Colour Theories, and Their Relation to Light and Colour Standardization.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLovibond, Joseph W. Light and Colour Theories, and Their Relation to Light and Colour Standardization.
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