APA stil citiranja
Crystal, D. (1974). What is Linguistics?: What is Linguistics? (3rd ed.). London: Arnold.
Chicago stil citiranjaCrystal, David. What is Linguistics?: What is Linguistics? 3rd ed. London: Arnold, 1974.
MLA stil citiranjaCrystal, David. What is Linguistics?: What is Linguistics? 3rd ed. London: Arnold, 1974.
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