Cita APA

Powell, M., & Allison, J. (2014). In company 3.0: Upper-intermediate. London: Macmillan.

Chicago Style Citation

Powell, Mark., i John Allison. In Company 3.0: Upper-intermediate. London: Macmillan, 2014.

Cita MLA

Powell, Mark., i John Allison. In Company 3.0: Upper-intermediate. London: Macmillan, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.