Lua APA (7ú heag.)
Damian, P., & Blum, O. J. (1998). Peter Damian letters. Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)
Damian, Peter, agus Owen J. Blum. Peter Damian Letters. Washington, D.C.: Catholic University of America Press, 1998.
Lua MLA (9ú heag.)
Damian, Peter, agus Owen J. Blum. Peter Damian Letters. Catholic University of America Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.