ebrary, Inc, & O'Sullivan, D. E. (2012). Chess in the Middle Ages and early modern age: A fundamental thought paradigm of the premodern world. De Gruyter.
芝加哥风格引文ebrary, Inc, 与 Daniel E. O'Sullivan. Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. Boston: De Gruyter, 2012.
MLA引文ebrary, Inc, 与 Daniel E. O'Sullivan. Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. De Gruyter, 2012.
警告：这些引文格式不一定是100％准确.