Trích dẫn APA

Lougheed, L. (2013). Barron's IELTS practice exams: With audio CDs. Hauppauge, NY: Barron's Educational Series.

Trích dẫn kiểu Chicago

Lougheed, Lin. Barron's IELTS Practice Exams: With Audio CDs. Hauppauge, NY: Barron's Educational Series, 2013.

Trích dẫn MLA

Lougheed, Lin. Barron's IELTS Practice Exams: With Audio CDs. Hauppauge, NY: Barron's Educational Series, 2013.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.