Dyfyniad APA

Doff, A., & Goldstein, B. (2011). English unlimited: Advanced. Coursebook with e-Portfolio. C1. Cambridge University Press.

Dyfyniad Arddull Chicago

Doff, Adrian, and Ben Goldstein. English Unlimited: Advanced. Coursebook with E-Portfolio. C1. Cambridge: Cambridge University Press, 2011.

Dyfyniad MLA

Doff, Adrian, and Ben Goldstein. English Unlimited: Advanced. Coursebook with E-Portfolio. C1. Cambridge University Press, 2011.

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