Dyfyniad APA

Metcalf, R., & Rob Metcalf; Chris Cavey; Alison Greenwood. (2011). English unlimited. B2, Upper Intermediate Self-study Pack. Cambridge: Cambridge University Press.

Dyfyniad Arddull Chicago

Metcalf, Rob, và Rob Metcalf; Chris Cavey; Alison Greenwood. English Unlimited. B2, Upper Intermediate Self-study Pack. Cambridge: Cambridge University Press, 2011.

Dyfyniad MLA

Metcalf, Rob, và Rob Metcalf; Chris Cavey; Alison Greenwood. English Unlimited. B2, Upper Intermediate Self-study Pack. Cambridge: Cambridge University Press, 2011.

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