Gaya APA

BASS, I., Lawton, B. (2009). Lean Six Sigma: Using SigmaXL and Minitab . New York: MCGRAW-HILL PUBLISHING.

Gaya MLA

BASS, Issa., Lawton, Barbara. "Lean Six Sigma: Using SigmaXL and Minitab". New York: MCGRAW-HILL PUBLISHING, 2009. Text.