Cassell, A. K., Dante Alighieri, & Vernani, G. (2004). The Monarchia controversy: An historical study with accompanying translations of Dante Alighieri's Monarchia, Guido Vernani's Refutation of the Monarchia composed by Dante and Pope John XXII's bull, Si fratrum. Catholic University of America Press.
芝加哥风格引文Cassell, Anthony K., Dante Alighieri, 与 Guido Vernani. The Monarchia Controversy: An Historical Study with Accompanying Translations of Dante Alighieri's Monarchia, Guido Vernani's Refutation of the Monarchia Composed by Dante and Pope John XXII's Bull, Si Fratrum. Washington, D. C.: Catholic University of America Press, 2004.
MLA引文Cassell, Anthony K., et al. The Monarchia Controversy: An Historical Study with Accompanying Translations of Dante Alighieri's Monarchia, Guido Vernani's Refutation of the Monarchia Composed by Dante and Pope John XXII's Bull, Si Fratrum. Catholic University of America Press, 2004.