Hudson, R. A. (2001). Sociolinguistics (2nd ed.). Cambridge University Press.
芝加哥风格引文Hudson, Richard A. Sociolinguistics. 2nd ed. Cambridge [England] ; New York, NY, USA: Cambridge University Press, 2001.
MLA引文Hudson, Richard A. Sociolinguistics. 2nd ed. Cambridge University Press, 2001.
警告：这些引文格式不一定是100％准确.