Heasley, B. (1996). ENGLISH In Use for SMU 2A. Erlangga.
Lua i Stíl Chicago (17ú heag.)Heasley, Brendan. ENGLISH In Use for SMU 2A. Erlangga, 1996.
Lua MLA (8ú heag.)Heasley, Brendan. ENGLISH In Use for SMU 2A. Erlangga, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.