Harmer, J. (1987). Teaching and learning grammar. Longman.
Lua i Stíl Chicago (17ú heag.)Harmer, Jeremy. Teaching and Learning Grammar. London: Longman, 1987.
Lua MLA (8ú heag.)Harmer, Jeremy. Teaching and Learning Grammar. Longman, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.