(意)但丁(Dante Alighieri)著. (2011). 神曲．炼狱篇．Purgatorio. 译林出版社.
Chicago Style (17th ed.) Citation(意)但丁(Dante Alighieri)著. 神曲．炼狱篇．Purgatorio. 译林出版社, 2011.
MLA (8th ed.) Citation(意)但丁(Dante Alighieri)著. 神曲．炼狱篇．Purgatorio. 译林出版社, 2011.
Warning: These citations may not always be 100% accurate.