Kean, P. M. (1967). The Pearl; an interpretation. Routledge & K. Paul.
芝加哥风格引文Kean, P. M. The Pearl; an Interpretation. London: Routledge & K. Paul, 1967.
MLA引文Kean, P. M. The Pearl; an Interpretation. Routledge & K. Paul, 1967.
警告：这些引文格式不一定是100％准确.