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.
Cita Chicago (17th ed.)ebrary, Inc, i 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.
Cita MLA (9th ed.)ebrary, Inc, i Daniel E. O'Sullivan. Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. De Gruyter, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.