El-Haik, B., & Roy, D. M. (2005). Service design for six sigma: A roadmap for excellence. John Wiley.
Chicago Style (17th ed.) CitationEl-Haik, Basem, and David M. Roy. Service Design for Six Sigma: A Roadmap for Excellence. Hoboken, NJ: John Wiley, 2005.
MLA (8th ed.) CitationEl-Haik, Basem, and David M. Roy. Service Design for Six Sigma: A Roadmap for Excellence. John Wiley, 2005.
Warning: These citations may not always be 100% accurate.