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Dyfyniad Arddull ChicagoDyer, Keith R. Estuaries: A Physical Introduction. 2nd ed. Chichester: John Wiley, 1997.
Dyfyniad MLADyer, Keith R. Estuaries: A Physical Introduction. 2nd ed. John Wiley, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.