Stather, M. (1994). Ingrid Roscheck.
Lua i Stíl Chicago (17ú heag.)Stather, Martin. Ingrid Roscheck. Mannheim, 1994.
Lua MLA (8ú heag.)Stather, Martin. Ingrid Roscheck. 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.