Scott Thornbury. (2004). Natural grammar: The keywords of English and how they work. Oxford: Oxford Univ. Press.
シカゴスタイル引用形Scott Thornbury. Natural Grammar: The Keywords of English and How They Work. Oxford: Oxford Univ. Press, 2004.
MLA引用形式Scott Thornbury. Natural Grammar: The Keywords of English and How They Work. Oxford: Oxford Univ. Press, 2004.
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