Lua APA (7ú heag.)

(1981). Wilhelm Lehmbruck.

Lua i Stíl Chicago (17ú heag.)

Wilhelm Lehmbruck. Heilbronn, 1981.

Lua MLA (8ú heag.)

Wilhelm Lehmbruck. 1981.

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