Johnson, P. L. (2000). ISO 9000: The year 2000 and beyond (3rd ed.). McGraw-Hill.
Chicago Style aipamenaJohnson, Perry L. ISO 9000: The Year 2000 and Beyond. 3rd ed. New York: McGraw-Hill, 2000.
MLA aipamenaJohnson, Perry L. ISO 9000: The Year 2000 and Beyond. 3rd ed. McGraw-Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.