Channell, J. M. (1983). Vague language: Some vague expressions in English.
Čikaški stil citiranja (17. izdanje)Channell, Joanna Mary. Vague Language: Some Vague Expressions in English. 1983.
MLA način citiranja (8. izdanje)Channell, Joanna Mary. Vague Language: Some Vague Expressions in English. 1983.
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