Lua APA (7ú heag.)

Não informado. (2017). Earthquakes & Volcanoes. U.S. Geological Survey.

Lua i Stíl Chicago (17ú heag.)

Não informado. Earthquakes & Volcanoes. Reston, Va: U.S. Geological Survey, 2017.

Lua MLA (8ú heag.)

Não informado. Earthquakes & Volcanoes. U.S. Geological Survey, 2017.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.