Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.