APA引文

Wardhaugh, R. (1998). An introduction to sociolinguistics (3rd ed.). Malden, MA: Blackwell.

Trích dẫn kiểu Chicago

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 3rd ed. Malden, MA: Blackwell, 1998.

MLA引文

Wardhaugh, Ronald. An Introduction to Sociolinguistics. 3rd ed. Malden, MA: Blackwell, 1998.

警告：這些引文格式不一定是100％准確.