Não informado. (2004). Food Ingredients & Processing International. Turret Group.
Lua i Stíl Chicago (17ú heag.)Não informado. Food Ingredients & Processing International. Watford, Inglaterra: Turret Group, 2004.
Lua MLA (8ú heag.)Não informado. Food Ingredients & Processing International. Turret Group, 2004.
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