Besterfield, D. H. (2003). Quality control (seventh edition.). Prentice Hall.
Chicago Style aipamenaBesterfield, Dale H. Quality Control. seventh edition. New Jersey: Prentice Hall, 2003.
MLA aipamenaBesterfield, Dale H. Quality Control. seventh edition. Prentice Hall, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.