APA

Maris A., Soars J. & Soars L. (2002). New head way english course. New york: Oxford university press.

Chicago

Maris Amanda, Soars John and Soars Liz. 2002. New head way english course. New york: Oxford university press.

Harvard

Maris A., Soars J. and Soars L. (2002). New head way english course. New york: Oxford university press.

MLA

Maris Amanda, Soars John and Soars Liz. New head way english course. New york: Oxford university press. 2002.