Lua APA (7ú heag.)
Welskopp, T., & Lessoff, A. (2012). Fractured modernity: America confronts modern times, 1890s to 1940s. R. Oldenbourg Verlag.
Lua i Stíl Chicago (17ú heag.)
Welskopp, Thomas, agus Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. München, [Germany]: R. Oldenbourg Verlag, 2012.
Lua MLA (9ú heag.)
Welskopp, Thomas, agus Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. R. Oldenbourg Verlag, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.