University of Wisconsin. (1948). Land Economics. University of Wisconsin Press.
Lua i Stíl Chicago (17ú heag.)University of Wisconsin. Land Economics. Madison, Wis: University of Wisconsin Press, 1948.
Lua MLA (8ú heag.)University of Wisconsin. Land Economics. University of Wisconsin Press, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.