Knowles, D. (1962). Saints and scholars: Twenty-five medieval portraits. University Press.
Chicago Style aipamenaKnowles, David. Saints and Scholars: Twenty-five Medieval Portraits. Cambridge [Eng.]: University Press, 1962.
MLA aipamenaKnowles, David. Saints and Scholars: Twenty-five Medieval Portraits. University Press, 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.