Wedgwood, I. (2007). Lean sigma: A practitioner's guide (1st edition.). Prentice Hall.
Cita Chicago Style (17a ed.)Wedgwood, Ian. Lean Sigma: A Practitioner's Guide. 1st edition. Upper Saddle River, NJ: Prentice Hall, 2007.
Cita MLA (9a ed.)Wedgwood, Ian. Lean Sigma: A Practitioner's Guide. 1st edition. Prentice Hall, 2007.
Precaución: Estas citas no son 100% exactas.