STAMATIS, D. H. (2003). Six sigma and beyond: Statistical process control volume IV. St. Lucie Press.
Lua i Stíl Chicago (17ú heag.)STAMATIS, D. H. Six Sigma and Beyond: Statistical Process Control Volume IV. Boca Raton: St. Lucie Press, 2003.
Lua MLA (9ú heag.)STAMATIS, D. H. Six Sigma and Beyond: Statistical Process Control Volume IV. St. Lucie Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.