Upex, R., Bennett, G., & Chuah, . J. Davies on contract (9th ed.). c2004.
芝加哥风格引文Upex, Robert, Geoffrey Bennett, 与 Jason Chuah. Davies on Contract. 9th ed. London: c2004.
MLA引文Upex, Robert, et al. Davies on Contract. 9th ed. c2004.
警告：这些引文格式不一定是100％准确.