ADAMS CARY W. (2003). SIX SIGMADEPLOYMENT. BUTTERWORTH-HEINEMANN.
Lua i Stíl Chicago (17ú heag.)ADAMS CARY W. SIX SIGMADEPLOYMENT. AMSTERDAM: BUTTERWORTH-HEINEMANN, 2003.
Lua MLA (9ú heag.)ADAMS CARY W. SIX SIGMADEPLOYMENT. BUTTERWORTH-HEINEMANN, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.