Fitzgerald, J. T. (1997). Greco-Roman perspectives on friendship. Scholars.
芝加哥风格引文Fitzgerald, John T. Greco-Roman Perspectives on Friendship. Atlanta: Scholars, 1997.
MLA引文Fitzgerald, John T. Greco-Roman Perspectives on Friendship. Scholars, 1997.
警告：这些引文格式不一定是100％准确.