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.
Citação do estilo Chicago (17ª ed.)Cassell, Anthony K., Dante Alighieri, e 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.
Citação MLA (9ª ed.)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.