Kamphoefner, W. D. (1987). The Westfalians: From Germany to Missouri / Walter D. Kamphoefner. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Kamphoefner, Walter D. The Westfalians: From Germany to Missouri / Walter D. Kamphoefner. Princeton, New Jersey: Princeton University Press, 1987.
Lua MLA (8ú heag.)Kamphoefner, Walter D. The Westfalians: From Germany to Missouri / Walter D. Kamphoefner. Princeton University Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.