APA stil citiranja
Crystal, D. (1971). Linguistics: Linguistics. Harmondsworth: Penguin Books.
Chicago stil citiranjaCrystal, David. Linguistics: Linguistics. Harmondsworth: Penguin Books, 1971.
MLA stil citiranjaCrystal, David. Linguistics: Linguistics. Harmondsworth: Penguin Books, 1971.
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