Keller, P. A. (2011). Statistical process control demystified (First edition.). McGraw-Hill.
Chicago Style aipamenaKeller, Paul A. Statistical Process Control Demystified. First edition. New York: McGraw-Hill, 2011.
MLA aipamenaKeller, Paul A. Statistical Process Control Demystified. First edition. McGraw-Hill, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.