Schoenberg, I. E., & Irene E. Schoenberg. (2006). Focus on grammar. White Plains, NY: Pearson Longman.
シカゴスタイル引用形Schoenberg, Irene E., , Irene E. Schoenberg. Focus On Grammar. White Plains, NY: Pearson Longman, 2006.
MLA引用形式Schoenberg, Irene E., , Irene E. Schoenberg. Focus On Grammar. White Plains, NY: Pearson Longman, 2006.
警告: この引用は必ずしも正確ではありません.