Labov, W. (2006). The social stratification of English in New York City. Cambridge university press.
芝加哥风格引文Labov, William. The Social Stratification of English in New York City. Cambridge university press, 2006.
MLA引文Labov, William. The Social Stratification of English in New York City. Cambridge university press, 2006.
警告：这些引文格式不一定是100％准确.