Crystal, D. (1997). The Cambridge encyclopedia of language (2nd ed.). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Crystal, David. The Cambridge Encyclopedia of Language. 2nd ed. Cambridge ; New York: Cambridge University Press, 1997.
MLA način citiranja (8. izdanje)Crystal, David. The Cambridge Encyclopedia of Language. 2nd ed. Cambridge University Press, 1997.
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