Roop, P., & Roop, C. (2000). An eye for an eye. Jamestown Publishers.
Lua i Stíl Chicago (17ú heag.)Roop, Peter, agus Connie Roop. An Eye for an Eye. Lincolnwood, Ill.: Jamestown Publishers, 2000.
Lua MLA (8ú heag.)Roop, Peter, agus Connie Roop. An Eye for an Eye. Jamestown Publishers, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.