Clive Oxenden, & Clive Oxenden; Christina Latham-Koenig; Paul Seligson. (2010). New English file: Pre-intermediate. Hà Nội: Lao động.
Citación estilo ChicagoClive Oxenden, y Clive Oxenden; Christina Latham-Koenig; Paul Seligson. New English File: Pre-intermediate. Hà Nội: Lao động, 2010.
Cita MLAClive Oxenden, y Clive Oxenden; Christina Latham-Koenig; Paul Seligson. New English File: Pre-intermediate. Hà Nội: Lao động, 2010.
Precaución: Estas citas no son 100% exactas.