Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.