APA (7th ed.) Zitazioa

Freire, R., & Jones, T. (2015). Q: Skills for success listening and speaking 4 (Second edition.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Freire, Robert, eta Tamara Jones. Q: Skills for Success Listening and Speaking 4. Second edition. New York: Oxford University Press, 2015.

MLA (9th ed.) Zitazioa

Freire, Robert, eta Tamara Jones. Q: Skills for Success Listening and Speaking 4. Second edition. Oxford University Press, 2015.