1. Garvin, D. A. (1988). Managing quality: The strategic and competitive edge. New York: The Free Press.
2. Hoyle, D. (2007). Quality management essentials. Oxford: Elsevier Limited. https://doi.org/10.4324/9780080471396.
3. ISO. (2015a). ISO 9000 quality management systems - fundamentals and vocabulary. Geneva: International Organization for Standardization.
4. ISO. (2015b). ISO 9001 quality management systems — Requirements. Geneva: International Organization for Standardization.
5. Liebesman, S. (2008). How to manage risk in a global economy. Quality Progress, 41, 58–60.