APA (7e ed.) Bronvermelding

Rath & Strong Management Consultants & Bertels, T. (2003). Rath & Strong's six sigma leadership handbook. John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Rath & Strong Management Consultants en Thomas Bertels. Rath & Strong's Six Sigma Leadership Handbook. Hoboken: John Wiley & Sons, 2003.

MLA (8e ed.) Bronvermelding

Rath & Strong Management Consultants en Thomas Bertels. Rath & Strong's Six Sigma Leadership Handbook. John Wiley & Sons, 2003.