Furness, R., & Humble, M. (1997). A companion to twentieth-century German literature (2nd ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)Furness, Raymond, agus Malcolm Humble. A Companion to Twentieth-century German Literature. 2nd ed. London: Routledge, 1997.
Lua MLA (9ú heag.)Furness, Raymond, agus Malcolm Humble. A Companion to Twentieth-century German Literature. 2nd ed. Routledge, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.