APA

Soars L., Soars J. & Sayer M. (2003). New Headway. Advanced. Oxford: Oxford University Press.

Chicago

Soars L, Soars J and Sayer M. 2003. New Headway. Advanced. Oxford: Oxford University Press.

Harvard

Soars L., Soars J. and Sayer M. (2003). New Headway. Advanced. Oxford: Oxford University Press.

MLA

Soars L, Soars J and Sayer M. New Headway. Advanced. Oxford: Oxford University Press. 2003.