Tohutoro APA (7th ed.)

Kubiak, T. M. (2014). The ASQ pocket guide for the certified six sigma black belt. ASQ Quality Press.

Tohutoru Kātū Chicago (17th ed.)

Kubiak, T. M. The ASQ Pocket Guide for the Certified Six Sigma Black Belt. Milwaukee, Wisconsin: ASQ Quality Press, 2014.

Tohutoro MLA (9th ed.)

Kubiak, T. M. The ASQ Pocket Guide for the Certified Six Sigma Black Belt. ASQ Quality Press, 2014.