Lundy, M. (2001). Quadrivium: The four classical liberal arts of number, geometry, music, & cosmology (NA.). Wooden Books.
芝加哥风格引文Lundy, Miranda. Quadrivium: The Four Classical Liberal Arts of Number, Geometry, Music, & Cosmology. NA. New York: Wooden Books, 2001.
MLA引文Lundy, Miranda. Quadrivium: The Four Classical Liberal Arts of Number, Geometry, Music, & Cosmology. NA. Wooden Books, 2001.
警告：这些引文格式不一定是100％准确.