Johnson, M. (2004). A philosophy of second language acquisition. Yale University Press.
Chicago-čujuhus (17. p.)Johnson, Marysia. A Philosophy of Second Language Acquisition. New Haven: Yale University Press, 2004.
MLA-čujuhus (9. p.)Johnson, Marysia. A Philosophy of Second Language Acquisition. Yale University Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.