Rath & Strong. (2004). Rath & Strong's GE Workout for Six Sigma Pocket Guide (In lần thứ 1.). American: MC Graw Hill.
Chicago-tyylinen lähdeviittausRath & Strong. Rath & Strong's GE Workout for Six Sigma Pocket Guide. In lần thứ 1. American: MC Graw Hill, 2004.
MLA-viiteRath & Strong. Rath & Strong's GE Workout for Six Sigma Pocket Guide. In lần thứ 1. American: MC Graw Hill, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.