APA引文

Wardhaugh, R. (1995). Understanding English grammar: A linguistic approach. Oxford, U.K.: Blackwell.

Trích dẫn kiểu Chicago

Wardhaugh, Ronald. Understanding English Grammar: A Linguistic Approach. Oxford, U.K.: Blackwell, 1995.

MLA引文

Wardhaugh, Ronald. Understanding English Grammar: A Linguistic Approach. Oxford, U.K.: Blackwell, 1995.

警告：這些引文格式不一定是100％准確.