Cita APA (7th ed.)
Liz , S., & John Soars. (2000). New Headway: Advanced Student's Book. Oxford University.
Cita Chicago (17th ed.)
Liz , Soars, i John Soars. New Headway: Advanced Student's Book. New York: Oxford University, 2000.
Cita MLA (9th ed.)
Liz , Soars, i John Soars. New Headway: Advanced Student's Book. Oxford University, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.