APA-referens (7:e uppl.)
Gamer, H. M., & McNeill, J. T. (1990). Medieval handbooks of penance: A translation of the principal "libri poenitentiales" and selections from related documents. Columbia University Press.
Chicago-referens (17:e uppl.)
Gamer, Helena M., och John Thomas McNeill. Medieval Handbooks of Penance: A Translation of the Principal "Libri Poenitentiales" and Selections from Related Documents. New York: Columbia University Press, 1990.
MLA-referens (9:e uppl.)
Gamer, Helena M., och John Thomas McNeill. Medieval Handbooks of Penance: A Translation of the Principal "Libri Poenitentiales" and Selections from Related Documents. Columbia University Press, 1990.
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