APA

Oxenden C., Seligson P., Latham-Koenig C. & Clanfield L. (2012). New English File. Pre-Intermediate. Oxford: Oxford University Press.

Chicago

Oxenden C, Seligson P, Latham-Koenig Ch and Clanfield L. 2012. New English File. Pre-Intermediate. Oxford: Oxford University Press.

Harvard

Oxenden C., Seligson P., Latham-Koenig C. and Clanfield L. (2012). New English File. Pre-Intermediate. Oxford: Oxford University Press.

MLA

Oxenden C, Seligson P, Latham-Koenig Ch and Clanfield L. New English File. Pre-Intermediate. Oxford: Oxford University Press. 2012.