APA način citiranja (7. izdanje)

Lougheed, L. (2020). Barron's IELTS (Sixth edition.). Barron's.

Čikaški stil citiranja (17. izdanje)

Lougheed, Lin. Barron's IELTS. Sixth edition. New York, NY: Barron's, 2020.

MLA način citiranja (9. izdanje)

Lougheed, Lin. Barron's IELTS. Sixth edition. Barron's, 2020.