Richards, R. W. (2006). Allure. Gmünder.
Lua i Stíl Chicago (17ú heag.)Richards, Robert W. Allure. Berlin: Gmünder, 2006.
Lua MLA (8ú heag.)Richards, Robert W. Allure. Gmünder, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.