APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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