Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (9th ed.)

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

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