Schmitt-Beck, R. (2009). Better late than never: Campain deciders at the 2005 German parlamentary election.
Lua i Stíl Chicago (17ú heag.)Schmitt-Beck, Rüdiger. Better Late than Never: Campain Deciders at the 2005 German Parlamentary Election. Mannheim, 2009.
Lua MLA (8ú heag.)Schmitt-Beck, Rüdiger. Better Late than Never: Campain Deciders at the 2005 German Parlamentary Election. 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.