Lua APA (7ú heag.)

Bass, I. (2007). Six sigma statistics with Excel and Minitab. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Bass, Issa. Six Sigma Statistics with Excel and Minitab. New York: McGraw-Hill, 2007.

Lua MLA (9ú heag.)

Bass, Issa. Six Sigma Statistics with Excel and Minitab. McGraw-Hill, 2007.

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