Pyzdek, T., & Keller, P. (2013). The handbook for quality management: A complete guide to operational excellence (Second edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pyzdek, Thomas, agus Paul Keller. The Handbook for Quality Management: A Complete Guide to Operational Excellence. Second edition. New York: McGraw-Hill, 2013.
Lua MLA (9ú heag.)Pyzdek, Thomas, agus Paul Keller. The Handbook for Quality Management: A Complete Guide to Operational Excellence. Second edition. McGraw-Hill, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.