Cita APA

Crystal, D. (1990). Linguistics (2 edition.). Penguin Books.

Chicago Edition Citation

Crystal, David. Linguistics. 2 edition. London: Penguin Books, 1990.

Cita MLA

Crystal, David. Linguistics. 2 edition. Penguin Books, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.