Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.