Cita APA

Crystal, D. (1974). What is linguistics? (3rd ed.). Edward Arnold.

Chicago Edition Citation

Crystal, David. What Is Linguistics? 3rd ed. London: Edward Arnold, 1974.

Cita MLA

Crystal, David. What Is Linguistics? 3rd ed. Edward Arnold, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.