Dyfyniad APA

Richards, J. C. (2009). Interchange: Third Edition. Cambridge University Press.

Dyfyniad Arddull Chicago

Richards, Jack C. Interchange: Third Edition. Cambridge University Press, 2009.

Dyfyniad MLA

Richards, Jack C. Interchange: Third Edition. Cambridge University Press, 2009.

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