Lua APA (7ú heag.)

Lougheed, L. (2011). Direct to TOEFL iBT: Student's book. Macmillan Education.

Lua i Stíl Chicago (17ú heag.)

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. [Bangkok, Thailand]: Macmillan Education, 2011.

Lua MLA (9ú heag.)

Lougheed, Lin. Direct to TOEFL IBT: Student's Book. Macmillan Education, 2011.

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