Gerwat-Clark, B., & Röder, U. (1987). Puppen. XENOS Verlagsges. mbH.
Lua i Stíl Chicago (17ú heag.)Gerwat-Clark, Brenda, agus Ursula Röder. Puppen. Hamburg: XENOS Verlagsges. mbH, 1987.
Lua MLA (8ú heag.)Gerwat-Clark, Brenda, agus Ursula Röder. Puppen. XENOS Verlagsges. mbH, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.