Sahas, D. J. (1972). John of Damascus on Islam: The "Heresy of the Ishmaelites.". Brill.
芝加哥风格引文Sahas, Daniel J. John of Damascus on Islam: The "Heresy of the Ishmaelites.". Leiden: Brill, 1972.
MLA引文Sahas, Daniel J. John of Damascus on Islam: The "Heresy of the Ishmaelites.". Brill, 1972.
警告：这些引文格式不一定是100％准确.