Berg, S., Engler, M., & Moos, D. (2004). Ingrid Calame, Mathilde ter Heijne, Jörg Wagner.
Lua i Stíl Chicago (17ú heag.)Berg, Stephan, Martin Engler, agus David Moos. Ingrid Calame, Mathilde Ter Heijne, Jörg Wagner. Hannover, 2004.
Lua MLA (8ú heag.)Berg, Stephan, et al. Ingrid Calame, Mathilde Ter Heijne, Jörg Wagner. 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.