(2007). Food Labelling (fifth edition.).
Lua i Stíl Chicago (17ú heag.)Food Labelling. fifth edition. 2007.
Lua MLA (9ú heag.)Food Labelling. fifth edition. 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)