Lua APA (7ú heag.)

Lougheed, L. (2021). Barron's IELTS (Fourth edition.). Kaplan, Inc., d/b/a Barron's Educational Series.

Lua i Stíl Chicago (17ú heag.)

Lougheed, Lin. Barron's IELTS. Fourth edition. New York, NY: Kaplan, Inc., d/b/a Barron's Educational Series, 2021.

Lua MLA (9ú heag.)

Lougheed, Lin. Barron's IELTS. Fourth edition. Kaplan, Inc., d/b/a Barron's Educational Series, 2021.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.