Goetsch, D. L., & Davis, S. B. (2003). Quality management: Introduction to total quality management for production, processing, and services (4th ed.). Prentice Hall.

Goetsch, David L., and Stanley B. Davis. Quality Management: Introduction to Total Quality Management for Production, Processing, and Services. 4th ed. Upper Saddle River, NJ: Prentice Hall, 2003.

Goetsch, David L., and Stanley B. Davis. Quality Management: Introduction to Total Quality Management for Production, Processing, and Services. 4th ed. Prentice Hall, 2003.