Cita APA

Crystal ,David. (1971). Linguisics. Penguin Books, England.

Chicago Edition Citation

Crystal ,David. Linguisics. Penguin Books, England: Penguin Books, England, 1971.

Cita MLA

Crystal ,David. Linguisics. Penguin Books, England, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.