APA

Soars J., Soars L., . (2007). New Headway. Pre-Intermediate. Oxford: Oxford University Press.

Chicago

Soars J, Soars L, . 2007. New Headway. Pre-Intermediate. Oxford: Oxford University Press.

Harvard

Soars J., Soars L., . (2007). New Headway. Pre-Intermediate. Oxford: Oxford University Press.

MLA

Soars J, Soars L, . New Headway. Pre-Intermediate. Oxford: Oxford University Press. 2007.