Lua APA (7ú heag.)

ASME/STLE 2011 Joint Tribology Conference. ASME.

Lua i Stíl Chicago (17ú heag.)

ASME/STLE 2011 Joint Tribology Conference. ASME.

Lua MLA (9ú heag.)

ASME/STLE 2011 Joint Tribology Conference. ASME.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.