New English file : upper-intermediate : multipack.

MLA

Oxenden, Clive, and Christina Latham-Koenig. New English File : Upper-intermediate : Multipack. Oxford: Oxford university press, 2008.

APA

Oxenden, C., & Latham-Koenig, C. (2008). New English file : upper-intermediate : multipack. Oxford: Oxford university press.

Chicago

Oxenden, Clive, and Christina Latham-Koenig. New English File: Upper-Intermediate : Multipack.. Oxford: Oxford university press, 2008.