Nation, J. (2001). Learning vocabulary in another language. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Nation, J.S.P. Learning Vocabulary in Another Language. Cambridge University Press, 2001.
Lua MLA (9ú heag.)Nation, J.S.P. Learning Vocabulary in Another Language. Cambridge University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.