Παραπομπή σε μορφή APA (7η εκδ.)

Bradford, M. G., & Kent, A. (1993). Understanding human geography: People and their changing environments. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bradford, M. G., και Ashley Kent. Understanding Human Geography: People and Their Changing Environments. Oxford: Oxford University Press, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bradford, M. G., και Ashley Kent. Understanding Human Geography: People and Their Changing Environments. Oxford University Press, 1993.