Hoye, L. (1997). Adverbs and modality in English. Longman.
Lua i Stíl Chicago (17ú heag.)Hoye, Leo. Adverbs and Modality in English. Harlow, Essex, Eng: Longman, 1997.
Lua MLA (9ú heag.)Hoye, Leo. Adverbs and Modality in English. Longman, 1997.
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