Lua APA (7ú heag.)

Büttner, C. (2007). Ruth Duckworth in Heidelberg. Neue Keramik.

Lua i Stíl Chicago (17ú heag.)

Büttner, Christof. "Ruth Duckworth in Heidelberg." Neue Keramik 2007.

Lua MLA (8ú heag.)

Büttner, Christof. "Ruth Duckworth in Heidelberg." Neue Keramik, 2007.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.