Peri, H. (1955). The original plan of the Divine Comedy.
Chicago-Zitierstil (17. Ausg.)Peri, Hiram. The Original Plan of the Divine Comedy. 1955.
MLA-Zitierstil (8. Ausg.)Peri, Hiram. The Original Plan of the Divine Comedy. 1955.
警告：这些引文格式不一定是100％准确.