Cita APA

Radley, P. (2005). Horizons: Workbook 1. Oxford: Oxford University Press.

Chicago Style Citation

Radley, Paul. Horizons: Workbook 1. Oxford: Oxford University Press, 2005.

Cita MLA

Radley, Paul. Horizons: Workbook 1. Oxford: Oxford University Press, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.