Institution of Mechanical Engineers. (1973). First European tribology congress. I M E.
Chicago Style aipamenaInstitution of Mechanical Engineers. First European Tribology Congress. London: I M E, 1973.
MLA aipamenaInstitution of Mechanical Engineers. First European Tribology Congress. I M E, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.