Gaya APA
Lindsay, W, M., Evans, J, R. (2007).
An Introduction to Six Sigma & Process Improvement. Pengantar Six Sigma (-).
Jakarta:
Salemba Empat.
Gaya MLA
Lindsay, William, M., Evans, James, R.
"An Introduction to Six Sigma & Process Improvement. Pengantar Six Sigma".
-
Jakarta:
Salemba Empat,
2007.
.