APA Style

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

Chicago Style

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

MLA Style

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

Turabian Style

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