TREGIDGO, P. Practical English usage for overseas: Students (2nd ed.). Longman.
Chicagoスタイル(17版)引用形式TREGIDGO, P.S. Practical English Usage for Overseas: Students. 2nd ed. London: Longman.
MLA(9版)引用形式TREGIDGO, P.S. Practical English Usage for Overseas: Students. 2nd ed. Longman.
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