Lua APA (7ú heag.)
Harmer, J., & Surguine, H. (1987). COAST TO COAST: STUDENT'S BOOK 1.
Lua i Stíl Chicago (17ú heag.)
Harmer, Jeremy, agus Harold Surguine. COAST TO COAST: STUDENT'S BOOK 1. 1987.
Lua MLA (9ú heag.)
Harmer, Jeremy, agus Harold Surguine. COAST TO COAST: STUDENT'S BOOK 1. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.