Cita APA

Barraclough, C. (2008). Activate! B1+: Workbook. Pearson Education limited: England.

Chicago Style Citation

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.

Cita MLA

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.