Barraclough, C. (2008). Activate B1+: Sudents' book. Harlow: Pearson.
シカゴスタイル引用形Barraclough, Carolyn. Activate B1+: Sudents' Book. Harlow: Pearson, 2008.
MLA引用形式Barraclough, Carolyn. Activate B1+: Sudents' Book. Harlow: Pearson, 2008.
警告: この引用は必ずしも正確ではありません.