Iverson, N. (1966). Germania, U.S.A: Social change in New Ulm, Minnesota. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Iverson, Noel. Germania, U.S.A: Social Change in New Ulm, Minnesota. Minneapolis: University of Minnesota Press, 1966.
Lua MLA (9ú heag.)Iverson, Noel. Germania, U.S.A: Social Change in New Ulm, Minnesota. University of Minnesota Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.