Cowden, D. (1957). Statistical methods in quality control. Prentice Hall.
Chicago Style aipamenaCowden, D.J. Statistical Methods in Quality Control. Englewood: Prentice Hall, 1957.
MLA aipamenaCowden, D.J. Statistical Methods in Quality Control. Prentice Hall, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.