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Dyfyniad Arddull ChicagoOmmer, Rosemary E...[et.al];ed. Word Fisheries: A Social-ecological Analysis. Sussex: Wiley - Blackwell, 2011.
Dyfyniad MLAOmmer, Rosemary E...[et.al];ed. Word Fisheries: A Social-ecological Analysis. Wiley - Blackwell, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.