Balfour, A. (1990). Berlin: The Politics of Order ; 1737-1989. Rizzoli.
Lua i Stíl Chicago (17ú heag.)Balfour, Alan. Berlin: The Politics of Order ; 1737-1989. New York: Rizzoli, 1990.
Lua MLA (8ú heag.)Balfour, Alan. Berlin: The Politics of Order ; 1737-1989. Rizzoli, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.