Dyfyniad APA

Ball, P. (2001). Bright earth: The invention of colour. Penguin Books.

Dyfyniad Arddull Chicago

Ball, Philip. Bright Earth: The Invention of Colour. London: Penguin Books, 2001.

Dyfyniad MLA

Ball, Philip. Bright Earth: The Invention of Colour. Penguin Books, 2001.

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