Johnson, M. (2004). A philosophy of second language acquisition. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Johnson, Marysia. A Philosophy of Second Language Acquisition. New Haven: Yale University Press, 2004.
Lua MLA (9ú heag.)Johnson, Marysia. A Philosophy of Second Language Acquisition. Yale University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.