APA引用形式

Kovacs, K. (2020). Speaking for IELTS. Tp. Hồ Chí Minh: Tổng hợp.

シカゴスタイル引用形

Kovacs, Karen. Speaking for IELTS. Tp. Hồ Chí Minh: Tổng hợp, 2020.

MLA引用形式

Kovacs, Karen. Speaking for IELTS. Tp. Hồ Chí Minh: Tổng hợp, 2020.

警告: この引用は必ずしも正確ではありません.