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Dyfyniad Arddull ChicagoAmerican Chemical Society. Division of Chemical Education, Robert E. Belford, John W. Moore, and Harry E. Pence. Enhancing Learning with Online Resources, Social Networking, and Digital Libraries. Washington, DC: American Chemical Society, 2010.
Dyfyniad MLAAmerican Chemical Society. Division of Chemical Education, et al. Enhancing Learning with Online Resources, Social Networking, and Digital Libraries. American Chemical Society, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.