Bradford, B. T. (1993). Angel. Random House.
Lua i Stíl Chicago (17ú heag.)Bradford, Barbara Taylor. Angel. New York: Random House, 1993.
Lua MLA (9ú heag.)Bradford, Barbara Taylor. Angel. Random House, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.