Holborn, H. (1964). A history of modern Germany: By Hajo Holborn. Knopf.
Lua i Stíl Chicago (17ú heag.)Holborn, Hajo. A History of Modern Germany: By Hajo Holborn. New York: Knopf, 1964.
Lua MLA (8ú heag.)Holborn, Hajo. A History of Modern Germany: By Hajo Holborn. Knopf, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.