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Dyfyniad Arddull ChicagoFAO. FAO Fisheries Report N.492: Report of the 4th Session of the Sub-committee On Fish Trade. Rome: FAO, 1993.
Dyfyniad MLAFAO. FAO Fisheries Report N.492: Report of the 4th Session of the Sub-committee On Fish Trade. Rome: FAO, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.