Great Britain. National Food Survey Committee & Great Britain. Ministry of Agriculture, Fisheries and Food. (1990). Household food consumption and expenditure 1989: Annual report of the National Food Survey Committee. H.M.S.O..
Dyfyniad Arddull ChicagoGreat Britain. National Food Survey Committee and Fisheries and Food Great Britain. Ministry of Agriculture. Household Food Consumption and Expenditure 1989: Annual Report of the National Food Survey Committee. London: H.M.S.O., 1990.
Dyfyniad MLAGreat Britain. National Food Survey Committee and Fisheries and Food Great Britain. Ministry of Agriculture. Household Food Consumption and Expenditure 1989: Annual Report of the National Food Survey Committee. H.M.S.O., 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.