Trudgill, P. (1984). Applied sociolinguistics. Academic.
芝加哥风格引文Trudgill, Peter. Applied Sociolinguistics. London: Academic, 1984.
MLA引文Trudgill, Peter. Applied Sociolinguistics. Academic, 1984.
警告：这些引文格式不一定是100％准确.
APA引文