Cotts, J. D. (2009). The clerical dilemma: Peter of Blois and literate culture in the twelfth century. Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)Cotts, John D. The Clerical Dilemma: Peter of Blois and Literate Culture in the Twelfth Century. Washington, D.C.: Catholic University of America Press, 2009.
Lua MLA (8ú heag.)Cotts, John D. The Clerical Dilemma: Peter of Blois and Literate Culture in the Twelfth Century. Catholic University of America Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.