Hildebrandt, A. (2002). The Wall. Figures. Facts. Verl. Haus am Checkpoint Charlie.
Lua i Stíl Chicago (17ú heag.)Hildebrandt, Alexandra. The Wall. Figures. Facts. Berlin: Verl. Haus am Checkpoint Charlie, 2002.
Lua MLA (8ú heag.)Hildebrandt, Alexandra. The Wall. Figures. Facts. Verl. Haus am Checkpoint Charlie, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.