Schmidt, S., & Larsen, L. B. (2005). Lothar Hempel: Butterfly. Atle Gerhardsen.
Lua i Stíl Chicago (17ú heag.)Schmidt, Sabine, agus Lars Bang Larsen. Lothar Hempel: Butterfly. Berlin: Atle Gerhardsen, 2005.
Lua MLA (8ú heag.)Schmidt, Sabine, agus Lars Bang Larsen. Lothar Hempel: Butterfly. Atle Gerhardsen, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.