GOETSCH, D. L. (2001). Total quality handbook. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)GOETSCH, David L. Total Quality Handbook. Prentice-Hall, 2001.
Lua MLA (8ú heag.)GOETSCH, David L. Total Quality Handbook. Prentice-Hall, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.