Cita APA (7th ed.)

Evans, J. (2007). An Introduction to six sigma and process improvement. Thomson Learning.

Cita Chicago (17th ed.)

Evans, James. An Introduction to Six Sigma and Process Improvement. New Delhi: Thomson Learning, 2007.

Cita MLA (9th ed.)

Evans, James. An Introduction to Six Sigma and Process Improvement. Thomson Learning, 2007.