Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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