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Dyfyniad Arddull ChicagoHerschdoerfer, S. M. Quality Control in the Food Industry (4 Vols.): :v.1. 2nd ed. New York: Academic Press, 1984.
Dyfyniad MLAHerschdoerfer, S. M. Quality Control in the Food Industry (4 Vols.): :v.1. 2nd ed. Academic Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.