1. , “QFD integrating customer requirements into product design,” QFD and technology deployment, Productivity Press, 1990.
2. , Writing better requirements, Addison-Wesley, Reading, MA, 2002.
3. , Information systems development: Methodologies, techniques and tools, McGraw-Hill Education (UK), Maidenhead, 2003.
4. , PRINCE 2 a practical handbook, Butterworth Heinemann, Oxford, 1997.
5. , QFD on a defence contract, ASQC Qual Cong Trans, 1990, pp. 413–417.