Syukron, A. (2014). Six Sigma Quality for Business Improvement. Graha Ilmu.
Čikaški stil citiranja (17. izdanje)Syukron, Amin. Six Sigma Quality for Business Improvement. Graha Ilmu, 2014.
MLA način citiranja (8. izdanje)Syukron, Amin. Six Sigma Quality for Business Improvement. Graha Ilmu, 2014.
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