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EFSA.europa.euArchived 2007年9月3日, at the Wayback Machine. Opinion of the Scientific Panel on Dietetic Products, Nutrition and Allergies, 23 August 2007. Retrieved 29 September 2008.
Food.gov.ukArchived 2008年10月2日, at the Wayback Machine. Draft Guidance on the Use of the Terms ‘Vegetarian’ and ‘Vegan’ in Food Labelling: Consultation Responses pp71, 5 October 2005. Retrieved 29 September 2008.