Roberts, J. Heat and thermodynamics.
Lua i Stíl Chicago (17ú heag.)Roberts, J. Heat and Thermodynamics.
Lua MLA (9ú heag.)Roberts, J. Heat and Thermodynamics.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)