Rath & Strong. (2004). Rath & Strong's GE Workout for Six Sigma Pocket Guide (In lần thứ 1.). American: MC Graw Hill.
Chicago Style CitationRath & Strong. Rath & Strong's GE Workout for Six Sigma Pocket Guide. In lần thứ 1. American: MC Graw Hill, 2004.
Cita MLARath & Strong. Rath & Strong's GE Workout for Six Sigma Pocket Guide. In lần thứ 1. American: MC Graw Hill, 2004.
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