APA ציטוט

Douglas, D. (2002). Assessing languages for specific purposes. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Douglas, Dan. Assessing Languages for Specific Purposes. Cambridge: Cambridge University Press, 2002.

ציטוט MLA

Douglas, Dan. Assessing Languages for Specific Purposes. Cambridge: Cambridge University Press, 2002.