Fremes, R. (1976). Nutriscore: The rate-yourself plan for better nutrition. Methuen.
Chicago-viite (17. p.)Fremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Toronto: Methuen, 1976.
MLA-viite (9. p.)Fremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Methuen, 1976.
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