Leeder, K., & Vilain, R. (2010). The Cambridge companion to Rilke: Ed. by Karen Leeder and Robert Vilain. Cambridge Univ. Press.
Lua i Stíl Chicago (17ú heag.)Leeder, Karen, agus Robert Vilain. The Cambridge Companion to Rilke: Ed. by Karen Leeder and Robert Vilain. Cambridge [u.a.]: Cambridge Univ. Press, 2010.
Lua MLA (8ú heag.)Leeder, Karen, agus Robert Vilain. The Cambridge Companion to Rilke: Ed. by Karen Leeder and Robert Vilain. Cambridge Univ. Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.