Stephens, K. S. (1976). Quality and quality control. Tokyo: Asian Productivity Organization.
Chicago Style aipamenaStephens, Kenneth S. Quality and Quality Control. Tokyo: Asian Productivity Organization, 1976.
MLA aipamenaStephens, Kenneth S. Quality and Quality Control. Tokyo: Asian Productivity Organization, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.