Lua APA (7ú heag.)
Sweet, T. (2002). American georgics: Economy and environment in early American literature. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)
Sweet, Timothy. American Georgics: Economy and Environment in Early American Literature. Philadelphia: University of Pennsylvania Press, 2002.
Lua MLA (9ú heag.)
Sweet, Timothy. American Georgics: Economy and Environment in Early American Literature. University of Pennsylvania Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.