APA-Zitierstil (7. Ausg.)

Soars, L., & Soars, J. (2004). New Headway English course: Intermediate : student's book.

Chicago-Zitierstil (17. Ausg.)

Soars, Liz, und John Soars. New Headway English Course: Intermediate : Student's Book. Oxford, 2004.

MLA-Zitierstil (9. Ausg.)

Soars, Liz, und John Soars. New Headway English Course: Intermediate : Student's Book. 2004.