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Dyfyniad Arddull ChicagoMckellar, John F., and Norman S. Allen. Photochemistry of Man-made Polymers. London: Applied Science Publishers, 1979.
Dyfyniad MLAMckellar, John F., and Norman S. Allen. Photochemistry of Man-made Polymers. Applied Science Publishers, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.