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Lua i Stíl Chicago (17ú heag.)Day, John A., agus Gilbert L. Sternes. Climate and Weather. Reading, Mass.: Addison-Wesley, 1970.
Lua MLA (9ú heag.)Day, John A., agus Gilbert L. Sternes. Climate and Weather. Addison-Wesley, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.