Hansen, B. L. (1973). Quality control: :theory and applications. PHI.
Chicago Style aipamenaHansen, Bertrand L. Quality Control: :theory and Applications. New Delhi: PHI, 1973.
MLA aipamenaHansen, Bertrand L. Quality Control: :theory and Applications. PHI, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.