Style de citation APA (7e éd.)

Hayler, R., & Nichols, M. (2005). What is six sigma process management? (First edition.). McGraw-Hill Education.

Style de citation Chicago (17e éd.)

Hayler, Rowland, et Michael Nichols. What Is Six Sigma Process Management? First edition. New York: McGraw-Hill Education, 2005.

Style de citation MLA (9e éd.)

Hayler, Rowland, et Michael Nichols. What Is Six Sigma Process Management? First edition. McGraw-Hill Education, 2005.