Παραπομπή σε μορφή APA (7η εκδ.)

Freire, R. a. J. (2011). Q: Skills for success. listening and speaking. 4 with online practice. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Freire, Robert and Jones. Q: Skills for Success. Listening and Speaking. 4 with Online Practice. New York: Oxford University Press, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Freire, Robert and Jones. Q: Skills for Success. Listening and Speaking. 4 with Online Practice. Oxford University Press, 2011.