Long, M. H. (2005). Second language needs analysis. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Long, Michael H. Second Language Needs Analysis. Cambridge, UK ; New York: Cambridge University Press, 2005.
Lua MLA (8ú heag.)Long, Michael H. Second Language Needs Analysis. Cambridge University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.