BESTERFIELD, D. H. Total quality management. New Jersey.
Lua i Stíl Chicago (17ú heag.)BESTERFIELD, DALE H. Total Quality Management. New Jersey.
Lua MLA (8ú heag.)BESTERFIELD, DALE H. Total Quality Management. New Jersey.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.