Fremes, R. (1976). Nutriscore: The rate-yourself plan for better nutrition. Methuen.
Lua i Stíl Chicago (17ú heag.)Fremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Toronto: Methuen, 1976.
Lua MLA (9ú heag.)Fremes, Ruth. Nutriscore: The Rate-yourself Plan for Better Nutrition. Methuen, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.