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Lua i Stíl Chicago (17ú heag.)Sacks, G., M. Rayner, agus B. Swinburn. Impact of Front-of-pack 'Traffic-light' Nutrition Labelling on Consumer Food Purchases in the UK. 2009.
Lua MLA (9ú heag.)Sacks, G., et al. Impact of Front-of-pack 'Traffic-light' Nutrition Labelling on Consumer Food Purchases in the UK. 2009.
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