Não informado. (2001). Oil Market Report. International Energy Agency.
Lua i Stíl Chicago (17ú heag.)Não informado. Oil Market Report. London: International Energy Agency, 2001.
Lua MLA (8ú heag.)Não informado. Oil Market Report. International Energy Agency, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.