Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.