Theory and Practice of Second Language Acquisition | University of Silesia Press. Cambridge University Press.
Chicago-referens (17:e uppl.)Theory and Practice of Second Language Acquisition | University of Silesia Press. Cambridge University Press.
MLA-referens (8:e uppl.)Theory and Practice of Second Language Acquisition | University of Silesia Press. Cambridge University Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.