Hilgeman, S. L. (2000). Pottery and chronology at Angel. University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Hilgeman, Sherri Lynn. Pottery and Chronology at Angel. Tuscaloosa: University of Alabama Press, 2000.
Lua MLA (9ú heag.)Hilgeman, Sherri Lynn. Pottery and Chronology at Angel. University of Alabama Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.