Não informado. (2001). Energy Studies Review. McMaster University, McMaster Institute for Energy Studies.
Lua i Stíl Chicago (17ú heag.)Não informado. Energy Studies Review. Hamilton, Canada: McMaster University, McMaster Institute for Energy Studies, 2001.
Lua MLA (8ú heag.)Não informado. Energy Studies Review. McMaster University, McMaster Institute for Energy Studies, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.