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Dyfyniad Arddull ChicagoGray, John S. Ecology of Marine Sediments: From Science to Management. 2nd ed. Oxford: Oxford, 2009.
Dyfyniad MLAGray, John S. Ecology of Marine Sediments: From Science to Management. 2nd ed. Oxford, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.