CIFA. (1989). FAO fisheries report N.437: Report of the 2nd session of the working party on pollution and fisheries. Rome: FAO.
Dyfyniad Arddull ChicagoCIFA. FAO Fisheries Report N.437: Report of the 2nd Session of the Working Party On Pollution and Fisheries. Rome: FAO, 1989.
Dyfyniad MLACIFA. FAO Fisheries Report N.437: Report of the 2nd Session of the Working Party On Pollution and Fisheries. Rome: FAO, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.