Não informado. Publications of the Earth Physics Branch. Department of Energy, Mines and Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Publications of the Earth Physics Branch. Ottawa: Department of Energy, Mines and Resources.
Lua MLA (8ú heag.)Não informado. Publications of the Earth Physics Branch. Department of Energy, Mines and Resources.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.