APA (7th ed.) Zitazioa

STLE/ASME 2008 International Joint Tribology Conference. ASME.

Chicago Style (17th ed.) Zitazioa

STLE/ASME 2008 International Joint Tribology Conference. ASME.

MLA (9th ed.) Zitazioa

STLE/ASME 2008 International Joint Tribology Conference. ASME.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.