APA stil citiranja
Crystal, D. (1973). Linguistics: Linguistics. [Harmondsworth]: Penguin Books.
Chicago stil citiranjaCrystal, David. Linguistics: Linguistics. [Harmondsworth]: Penguin Books, 1973.
MLA stil citiranjaCrystal, David. Linguistics: Linguistics. [Harmondsworth]: Penguin Books, 1973.
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