Cita APA

Alexander, L. G. (1992). Longman English grammar practice. London: Longman.

Chicago Style Citation

Alexander, L. G. Longman English Grammar Practice. London: Longman, 1992.

Cita MLA

Alexander, L. G. Longman English Grammar Practice. London: Longman, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.