Trudgill, P. (1983). Sociolinguistics: An introduction to language and society. Penguin Books.
芝加哥风格引文Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. Londres: Penguin Books, 1983.
MLA引文Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. Penguin Books, 1983.
警告：这些引文格式不一定是100％准确.