(1975). Sweeteners: Issues and uncertainties. National Academy of Sciences.
Dyfyniad Arddull ChicagoSweeteners: Issues and Uncertainties. Washington: National Academy of Sciences, 1975.
Dyfyniad MLASweeteners: Issues and Uncertainties. National Academy of Sciences, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.