Citazione Stile APA (7a Edizione)

Evans, J. R., & Lindsay, W. M. (2015). An introduction to six sigma & process improvement (Second edition.). Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Evans, James R., e William M. Lindsay. An Introduction to Six Sigma & Process Improvement. Second edition. Stamford, Connecticut: Cengage Learning, 2015.

Citatione MLA (9a ed.)

Evans, James R., e William M. Lindsay. An Introduction to Six Sigma & Process Improvement. Second edition. Cengage Learning, 2015.