Conradt, D. P. (1996). The German polity (6th ed.). Longman.
Lua i Stíl Chicago (17ú heag.)Conradt, David P. The German Polity. 6th ed. White Plains, N.Y: Longman, 1996.
Lua MLA (9ú heag.)Conradt, David P. The German Polity. 6th ed. Longman, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.