Lua APA (7ú heag.)

Winnington, A. (1981). Ridley & Son. Das Neue Berlin.

Lua i Stíl Chicago (17ú heag.)

Winnington, Alan. Ridley & Son. Berlin: Das Neue Berlin, 1981.

Lua MLA (8ú heag.)

Winnington, Alan. Ridley & Son. Das Neue Berlin, 1981.

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