Não informado. (1988). Natural Hazards. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Natural Hazards. Dordrecht, Holanda: Kluwer Academic Publishers, 1988.
Lua MLA (8ú heag.)Não informado. Natural Hazards. Kluwer Academic Publishers, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.