Fremes, R. (1976). Nutriscore: The rate-yourself plan for better nutrition. Methuen.
Dyfyniad Arddull ChicagoFremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Toronto: Methuen, 1976.
Dyfyniad MLAFremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Methuen, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.