एपीए उद्धरण

Alexander, L. (1991). New Concept English: Fluency in English. London: Longman.

शिकागो स्टाइल उद्धरण

Alexander, L.g. New Concept English: Fluency in English. London: Longman, 1991.

एमएलए उद्धरण

Alexander, L.g. New Concept English: Fluency in English. London: Longman, 1991.