एपीए उद्धरण

Wrenn C L. (1975). English language. Vikas Publishing House.

शिकागो स्टाइल उद्धरण

Wrenn C L. English Language. New Delhi: Vikas Publishing House, 1975.

एमएलए उद्धरण

Wrenn C L. English Language. Vikas Publishing House, 1975.