Camara, D. H. (2000). Spiral Kekerasan. Insist Press.
Lua i Stíl Chicago (17ú heag.)Camara, Dom Helder. Spiral Kekerasan. Insist Press, 2000.
Lua MLA (8ú heag.)Camara, Dom Helder. Spiral Kekerasan. Insist Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.