Cita APA

Oxenden, C., & Seligson, P. (2003). English file: Student's book 1. Oxford: Oxford University.

Citación estilo Chicago

Oxenden, Clive, and Paul Seligson. English File: Student's Book 1. Oxford: Oxford University, 2003.

Cita MLA

Oxenden, Clive, and Paul Seligson. English File: Student's Book 1. Oxford: Oxford University, 2003.