Blanchfield, J. R. (2000). Food labelling. CRC Press.
Lua i Stíl Chicago (17ú heag.)Blanchfield, J. Ralph. Food Labelling. Boca Raton, Fla: CRC Press, 2000.
Lua MLA (9ú heag.)Blanchfield, J. Ralph. Food Labelling. CRC Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.