एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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