Lua APA (7ú heag.)
(1944). Nicaragua. Lakes and volcanoes.
Lua i Stíl Chicago (17ú heag.)
Nicaragua. Lakes and Volcanoes. Washington, 1944.
Lua MLA (9ú heag.)
Nicaragua. Lakes and Volcanoes. 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.