Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.