Evans, J. R. (2005). An introduction to six sigma & process improvement. Ohio: Thomson south-western.
Chicago-стиль цитированияEvans, James R. An Introduction to Six Sigma & Process Improvement. Ohio: Thomson south-western, 2005.
MLA-цитированиеEvans, James R. An Introduction to Six Sigma & Process Improvement. Ohio: Thomson south-western, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.