APA

Soars J., Soars L. & Sayer M. (2001). New Headway. English Course. Pre-Intermediate. : Oxford University Press.

Chicago

Soars J, Soars L and Sayer M. 2001. New Headway. English Course. Pre-Intermediate. : Oxford University Press.

Harvard

Soars J., Soars L. and Sayer M. (2001). New Headway. English Course. Pre-Intermediate. : Oxford University Press.

MLA

Soars J, Soars L and Sayer M. New Headway. English Course. Pre-Intermediate. : Oxford University Press. 2001.