Crystal, D. (1997). The Cambridge encyclopedia of language (2nd ed.). Cambridge University Press.
芝加哥风格引文Crystal, David. The Cambridge Encyclopedia of Language. 2nd ed. Cambridge ; New York: Cambridge University Press, 1997.
MLA引文Crystal, David. The Cambridge Encyclopedia of Language. 2nd ed. Cambridge University Press, 1997.
警告：这些引文格式不一定是100％准确.