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Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Cornelia Fleischer Mutel. A Watershed Year: Anatomy of the Iowa Floods of 2008. Iowa City: University of Iowa Press, 2010.
Lua MLA (9ú heag.)ebrary, Inc, agus Cornelia Fleischer Mutel. A Watershed Year: Anatomy of the Iowa Floods of 2008. University of Iowa Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.