एपीए उद्धरण

Quirk, R. A university grammar of English. London: Longman Group Limited.

शिकागो स्टाइल उद्धरण

Quirk, Randolph. A University Grammar of English. London: Longman Group Limited.

एमएलए उद्धरण

Quirk, Randolph. A University Grammar of English. London: Longman Group Limited.