Reidenbach, R. (2007). Strategic six sigma for champions. Pearson Education.
Lua i Stíl Chicago (17ú heag.)Reidenbach, R. Strategic Six Sigma for Champions. Delhi: Pearson Education, 2007.
Lua MLA (9ú heag.)Reidenbach, R. Strategic Six Sigma for Champions. Pearson Education, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.