Cita APA (7a ed.)
Kubiak, T., & Benbow, D. W. The Certified Six Sigma Black Belt Handbook (2a edición.). American Society for Quality.
Cita estilo Chicago (17a ed.)
Kubiak, T.M, y Donald W. Benbow. The Certified Six Sigma Black Belt Handbook. 2a edición. Milwaukee, EUA: American Society for Quality.
Cita MLA (9a ed.)
Kubiak, T.M, y Donald W. Benbow. The Certified Six Sigma Black Belt Handbook. 2a edición. American Society for Quality.
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