Pearson, C. Getting down to business in english. Students' book.
Chicagoスタイル(17版)引用形式Pearson, Christopher. Getting Down to Business in English. Students' Book.
MLA(8版)引用形式Pearson, Christopher. Getting Down to Business in English. Students' Book.
警告: この引用は必ずしも正確ではありません.