Rothery, B. (1992). ISO 9000.
Chicago Style aipamenaRothery, Brian. ISO 9000. Productivity & Quality Publishing Pvt Ltd.: Chennai, 1992.
MLA aipamenaRothery, Brian. ISO 9000. 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Rothery, B. (1992). ISO 9000.
Chicago Style aipamenaRothery, Brian. ISO 9000. Productivity & Quality Publishing Pvt Ltd.: Chennai, 1992.
MLA aipamenaRothery, Brian. ISO 9000. 1992.