Lua APA (7ú heag.)

Syukron, A. (2014). Six Sigma Quality for Business Improvement. Graha Ilmu.

Lua i Stíl Chicago (17ú heag.)

Syukron, Amin. Six Sigma Quality for Business Improvement. Graha Ilmu, 2014.

Lua MLA (8ú heag.)

Syukron, Amin. Six Sigma Quality for Business Improvement. Graha Ilmu, 2014.

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