Fenigsen, R. (2004). Life and history. Polin.
Lua i Stíl Chicago (17ú heag.)Fenigsen, Ryszard. "Life and History." Polin 2004.
Lua MLA (8ú heag.)Fenigsen, Ryszard. "Life and History." Polin, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.