Gabrieli, F., & Costello, E. J. (1969). Arab historians of the Crusades. University of California Press.
芝加哥风格引文Gabrieli, Francesco, 与 E. J. Costello. Arab Historians of the Crusades. Berkeley: University of California Press, 1969.
MLA引文Gabrieli, Francesco, 与 E. J. Costello. Arab Historians of the Crusades. University of California Press, 1969.
警告：这些引文格式不一定是100％准确.