Cita APA (7th ed.)

Brue, G., & Howes, R. (2006). The McGraw-Hill 36-hour course Six Sigma. McGraw-Hill.

Cita Chicago (17th ed.)

Brue, Greg, i R. Howes. The McGraw-Hill 36-hour Course Six Sigma. New York: McGraw-Hill, 2006.

Cita MLA (9th ed.)

Brue, Greg, i R. Howes. The McGraw-Hill 36-hour Course Six Sigma. McGraw-Hill, 2006.