APA aipamena

Seidlhofer, B. (2011). Understanding English as a lingua franca. Oxford: Oxford University Press.

Chicago Style aipamena

Seidlhofer, Barbara. Understanding English As a Lingua Franca. Oxford: Oxford University Press, 2011.

MLA aipamena

Seidlhofer, Barbara. Understanding English As a Lingua Franca. Oxford: Oxford University Press, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.