Sacks, A. J. (2003). Kurt Singer's shattert hopes. Year Book / Leo Baeck Institute.
Lua i Stíl Chicago (17ú heag.)Sacks, Adam J. "Kurt Singer's Shattert Hopes." Year Book / Leo Baeck Institute 2003.
Lua MLA (8ú heag.)Sacks, Adam J. "Kurt Singer's Shattert Hopes." Year Book / Leo Baeck Institute, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.