APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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