Não informado. Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution of Washington.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Report of the Director of the Geophysical Laboratory. Washington: Carnegie Institution of Washington.
Lua MLA (8ú heag.)Não informado. Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution of Washington.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.