Flaherty, S., & Ahrens, L. (1996). Back to Before. Alfred Publishing Co., Inc..
Lua i Stíl Chicago (17ú heag.)Flaherty, Stephen, agus Lynn Ahrens. Back to Before. Louisville, United States: Alfred Publishing Co., Inc., 1996.
Lua MLA (9ú heag.)Flaherty, Stephen, agus Lynn Ahrens. Back to Before. Alfred Publishing Co., Inc., 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.