Gaya APA
S., P, D. (2005).
Letters 151-180. Translated by Owen J. Blum & Irven M. Resnick. : Latin letters of Peter Damian. .
Washington:
Washington Catholich University of America Press.
Gaya MLA
S., Petrus, Damianus,.
"Letters 151-180. Translated by Owen J. Blum & Irven M. Resnick. : Latin letters of Peter Damian. ".
Washington:
Washington Catholich University of America Press,
2005.
Buku.