Cita APA (7th ed.)

Yang, K. (2005). Design for six sigma for service (First edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Yang, Kai. Design for Six Sigma for Service. First edition. New York: McGraw-Hill, 2005.

Cita MLA (9th ed.)

Yang, Kai. Design for Six Sigma for Service. First edition. McGraw-Hill, 2005.