Zeter, J. (2008). Sharpening skills for the TOEFL iBT: Four practice tests. Book 1. TR.
シカゴスタイル引用形Zeter, Jeff. Sharpening Skills for the TOEFL IBT: Four Practice Tests. Book 1. TR, 2008.
MLA引用形式Zeter, Jeff. Sharpening Skills for the TOEFL IBT: Four Practice Tests. Book 1. TR, 2008.
警告: この引用は必ずしも正確ではありません.