APA-viite (7. p.)

Black. (2001). Roadmap to successful six sigma inplementation. Society of Manufacturing Engineers.

Chicago-viite (17. p.)

Black. Roadmap to Successful Six Sigma Inplementation. Singapore: Society of Manufacturing Engineers, 2001.

MLA-viite (8. p.)

Black. Roadmap to Successful Six Sigma Inplementation. Society of Manufacturing Engineers, 2001.

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