Phillips, d. (2006). Longman preparation course for the toefl test: IBT. Pearson Education.
Chicagoスタイル(17版)引用形式Phillips, deborah. Longman Preparation Course for the Toefl Test: IBT. Pearson Education, 2006.
MLA(9版)引用形式Phillips, deborah. Longman Preparation Course for the Toefl Test: IBT. Pearson Education, 2006.
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