Style de citation APA (7e éd.)

Keller, P. A. (2005). Six sigma demystified. McGraw-Hill.

Style de citation Chicago (17e éd.)

Keller, Paul A. Six Sigma Demystified. New York: McGraw-Hill, 2005.

Style de citation MLA (8e éd.)

Keller, Paul A. Six Sigma Demystified. McGraw-Hill, 2005.