Não informado. Techniques of Water Resources Investigations of the United States Geological Survey.
Lua i Stíl Chicago (17ú heag.)Não informado. Techniques of Water Resources Investigations of the United States Geological Survey.
Lua MLA (8ú heag.)Não informado. Techniques of Water Resources Investigations of the United States Geological Survey.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.