APA(7版)引用形式
Dean, M. Opportunities: Intermediate : Language Powerbook. Pearson.
Chicagoスタイル(17版)引用形式
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Harlow, Inglaterra: Pearson.
MLA(9版)引用形式
Dean, Michael. Opportunities: Intermediate : Language Powerbook. Pearson.
警告: この引用は必ずしも正確ではありません.