Abraham, R. (1981). Collisions: In Memoriam Kongresshalle ; Berlin. Artforum.
Lua i Stíl Chicago (17ú heag.)Abraham, Raimund. "Collisions: In Memoriam Kongresshalle ; Berlin." Artforum 1981.
Lua MLA (8ú heag.)Abraham, Raimund. "Collisions: In Memoriam Kongresshalle ; Berlin." Artforum, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.