Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.