(2008). Revolish toefl ibt prep four skill reading, writing, listening and speaking, level 1(Kèm theo CD1-2/895-96).
シカゴスタイル引用形Revolish Toefl Ibt Prep Four Skill Reading, Writing, Listening and Speaking, Level 1(Kèm Theo CD1-2/895-96). 2008.
MLA引用形式Revolish Toefl Ibt Prep Four Skill Reading, Writing, Listening and Speaking, Level 1(Kèm Theo CD1-2/895-96). 2008.
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