Oxenden, C., Latham-Koenig, C., & Seligson, P. (2005). New English File: Pre-intermediate. Student´s Book. Oxford University Press.
Cita Chicago Style (17a ed.)Oxenden, Clive, Christina Latham-Koenig, y Paul Seligson. New English File: Pre-intermediate. Student´s Book. New York: Oxford University Press, 2005.
Cita MLA (9a ed.)Oxenden, Clive, et al. New English File: Pre-intermediate. Student´s Book. Oxford University Press, 2005.
Precaución: Estas citas no son 100% exactas.