Wardhaugh, R., & Fuller, J. M. (2015). An introduction to sociolinguistics (Seventh edition.). Wiley Blackwell.
芝加哥风格引文Wardhaugh, Ronald, 与 Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Chichester, West Sussex, UK ; Malden, MA: Wiley Blackwell, 2015.
MLA引文Wardhaugh, Ronald, 与 Janet M. Fuller. An Introduction to Sociolinguistics. Seventh edition. Wiley Blackwell, 2015.
警告：这些引文格式不一定是100％准确.