Cassell, A. K. (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. The Catholic University of America Press.
Chicago-Zitierstil (17. Ausg.)Cassell, Anthony Kimber. 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: The Catholic University of America Press, 2004.
MLA-Zitierstil (9. Ausg.)Cassell, Anthony Kimber. 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. The Catholic University of America Press, 2004.