Cita APA

Oxenden, C., & I. Seligson, P. English file 1: Student's book / Clive Oxenden, Paul Seligson. Oxford : Oxford University Press.

Citación estilo Chicago

Oxenden, Clive, y Paul I. Seligson. English File 1: Student's Book / Clive Oxenden, Paul Seligson. Oxford : Oxford University Press.

Cita MLA

Oxenden, Clive, y Paul I. Seligson. English File 1: Student's Book / Clive Oxenden, Paul Seligson. Oxford : Oxford University Press.