Não informado. (2001). Volcano letter. Hawaiian Volcano Research Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Volcano Letter. Honolulu, Hawaii: Hawaiian Volcano Research Association, 2001.
Lua MLA (8ú heag.)Não informado. Volcano Letter. Hawaiian Volcano Research Association, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.