Brussee, W. (2012). Statistics for Six Sigma made easy! (2a. ed.). McGraw-Hill.
Cita Chicago (17th ed.)Brussee, Warren. Statistics for Six Sigma Made Easy! 2a. ed. Nueva York: McGraw-Hill, 2012.
Cita MLA (9th ed.)Brussee, Warren. Statistics for Six Sigma Made Easy! 2a. ed. McGraw-Hill, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.