TRUDGILL, P. (2002). Sociolinguistic variation and change. Edinburgh University Press.
芝加哥风格引文TRUDGILL, Peter. Sociolinguistic Variation and Change. Edinburgh: Edinburgh University Press, 2002.
MLA引文TRUDGILL, Peter. Sociolinguistic Variation and Change. Edinburgh University Press, 2002.
警告：这些引文格式不一定是100％准确.