Cita APA (7a ed.)

Brue, G. (2006). Six sigma for small business. Entrepreneur Press.

Cita Chicago Style (17a ed.)

Brue, Greg. Six Sigma for Small Business. Wisconsin: Entrepreneur Press, 2006.

Cita MLA (9a ed.)

Brue, Greg. Six Sigma for Small Business. Entrepreneur Press, 2006.