Lua APA (7ú heag.)

Graham, D. (1981). Signs. Artforum.

Lua i Stíl Chicago (17ú heag.)

Graham, Dan. "Signs." Artforum 1981.

Lua MLA (8ú heag.)

Graham, Dan. "Signs." Artforum, 1981.

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