Lua APA (7ú heag.)
Cordell, K., & Wolff, S. (2005). Germany's foreign policy towards Poland and the Czech Republic: Ostpolitik revisited. Routledge.
Lua i Stíl Chicago (17ú heag.)
Cordell, Karl, agus Stefan Wolff. Germany's Foreign Policy Towards Poland and the Czech Republic: Ostpolitik Revisited. London ; New York: Routledge, 2005.
Lua MLA (9ú heag.)
Cordell, Karl, agus Stefan Wolff. Germany's Foreign Policy Towards Poland and the Czech Republic: Ostpolitik Revisited. Routledge, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.