Brussee, W. (2005). All About six sigma. [TMH.
Chicago Style (17th ed.) CitationBrussee, Warren. All About Six Sigma. [s.l]: [TMH, 2005.
MLA (9th ed.) CitationBrussee, Warren. All About Six Sigma. [TMH, 2005.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.