APA (7th ed.) Citation

Syukron, A., & Kholil, M. (2013). Six sigma: Quality for business improvement. Graha Ilmu.

Chicago Style (17th ed.) Citation

Syukron, Amin, and Muhammad Kholil. Six Sigma: Quality for Business Improvement. Graha Ilmu, 2013.

MLA (8th ed.) Citation

Syukron, Amin, and Muhammad Kholil. Six Sigma: Quality for Business Improvement. Graha Ilmu, 2013.

Warning: These citations may not always be 100% accurate.