Von Hallberg, R. (2008). Lyric powers. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Von Hallberg, Robert. Lyric Powers. Chicago: University of Chicago Press, 2008.
Lua MLA (9ú heag.)Von Hallberg, Robert. Lyric Powers. University of Chicago Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.