Fremes, R. (1976). Nutriscore: The rate-yourself plan for better nutrition. Methuen.
Chicago Style aipamenaFremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Toronto: Methuen, 1976.
MLA aipamenaFremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Methuen, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.