Institution of Mechanical Engineers. (1973). First European tribology congress. I M E.
Čikaški stil citiranjaInstitution of Mechanical Engineers. First European Tribology Congress. London: I M E, 1973.
MLA način citiranjaInstitution of Mechanical Engineers. First European Tribology Congress. I M E, 1973.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.