APA(7版)引用形式

Williams, A. (2019). Writing for IELTS (Second edition.). HarperCollins.

Chicagoスタイル(17版)引用形式

Williams, Anneli. Writing for IELTS. Second edition. London: HarperCollins, 2019.

MLA(9版)引用形式

Williams, Anneli. Writing for IELTS. Second edition. HarperCollins, 2019.

警告: この引用は必ずしも正確ではありません.