एपीए उद्धरण

Downing, A. (1992). A university course in English grammar. Redwood.

शिकागो स्टाइल उद्धरण

Downing, Angela. A University Course in English Grammar. Redwood, 1992.

एमएलए उद्धरण

Downing, Angela. A University Course in English Grammar. Redwood, 1992.