Cita APA (7th ed.)

Yang, K., & El-Haik, B. (2009). Design for six sigma: A roadmap for product development (Second edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Yang, Kai, i Basem El-Haik. Design for Six Sigma: A Roadmap for Product Development. Second edition. New York: McGraw-Hill, 2009.

Cita MLA (9th ed.)

Yang, Kai, i Basem El-Haik. Design for Six Sigma: A Roadmap for Product Development. Second edition. McGraw-Hill, 2009.