Cita APA (7th ed.)

Oxenden C. Clive, Latham-Koenig Ch. Christina, & Seligson P. Paul. (2011). New English File. Pre-Intermediate: Workbook. Oxford, Oxford University Press, 2011.

Cita Chicago (17th ed.)

Oxenden C. Clive, Latham-Koenig Ch. Christina, i Seligson P. Paul. New English File. Pre-Intermediate: Workbook. Oxford, Oxford University Press, 2011, 2011.

Cita MLA (9th ed.)

Oxenden C. Clive, et al. New English File. Pre-Intermediate: Workbook. Oxford, Oxford University Press, 2011, 2011.