Holmes, J. (2001). An introduction to sociolinguistics (2nd ed.). Longman.
芝加哥风格引文Holmes, Janet. An Introduction to Sociolinguistics. 2nd ed. Harlow, Eng. ; New York: Longman, 2001.
MLA引文Holmes, Janet. An Introduction to Sociolinguistics. 2nd ed. Longman, 2001.
警告：这些引文格式不一定是100％准确.