APA (7th ed.) Citation

Evans, J. R., Lindsay, W. M., & Fitriati, A. R. (2007). An introduction to six sigma r process improvement = pengantar six sigma. Salemba Empat.

Chicago Style (17th ed.) Citation

Evans, James R., William M. Lindsay, and Afia R. Fitriati. An Introduction to Six Sigma R Process Improvement = Pengantar Six Sigma. Salemba Empat, 2007.

MLA (8th ed.) Citation

Evans, James R., et al. An Introduction to Six Sigma R Process Improvement = Pengantar Six Sigma. Salemba Empat, 2007.