Salonen, K., & Schmugge, L. (2009). A sip from the "well of grace": Medieval texts from the apostolic penitentiary. Studies in medieval and early modern canon law.
芝加哥风格引文Salonen, Kirsi, 与 Ludwig Schmugge. "A Sip from the "Well of Grace": Medieval Texts from the Apostolic Penitentiary." Studies in Medieval and Early Modern Canon Law 2009.
MLA引文Salonen, Kirsi, 与 Ludwig Schmugge. "A Sip from the "Well of Grace": Medieval Texts from the Apostolic Penitentiary." Studies in Medieval and Early Modern Canon Law, 2009.
警告：这些引文格式不一定是100％准确.